Why is a local VM not resolving via DNS and NSLookup in the way I am thinking it should?












1















Im trying to understand how the DNS and nslookup work, I'm a bit confused.



This is a test setup, I have a DNS server with the IP 192.168.102.159 (A Cent OS VM) the DNS is configured with a zone abc.i.



When I nslookup abc.i it results with the server address of 192.168.102.2 which is the IP address of the VM Workstation's default gateway, this is confusing me, is my DNS working ?



Isn't it suppose to return the DNS server address 192.168.102.159?



The nslookup query in the screenshot above is run in PuTTY through which I'm logged into the DNS server as a root user, basically I'm running a DNS query on a DNS server itself, querying it's own IP.



If someone could clarify it a bit, it's really confusing.



Also if this is not the way to test it how else can I test it?



enter image description here










share|improve this question





























    1















    Im trying to understand how the DNS and nslookup work, I'm a bit confused.



    This is a test setup, I have a DNS server with the IP 192.168.102.159 (A Cent OS VM) the DNS is configured with a zone abc.i.



    When I nslookup abc.i it results with the server address of 192.168.102.2 which is the IP address of the VM Workstation's default gateway, this is confusing me, is my DNS working ?



    Isn't it suppose to return the DNS server address 192.168.102.159?



    The nslookup query in the screenshot above is run in PuTTY through which I'm logged into the DNS server as a root user, basically I'm running a DNS query on a DNS server itself, querying it's own IP.



    If someone could clarify it a bit, it's really confusing.



    Also if this is not the way to test it how else can I test it?



    enter image description here










    share|improve this question



























      1












      1








      1








      Im trying to understand how the DNS and nslookup work, I'm a bit confused.



      This is a test setup, I have a DNS server with the IP 192.168.102.159 (A Cent OS VM) the DNS is configured with a zone abc.i.



      When I nslookup abc.i it results with the server address of 192.168.102.2 which is the IP address of the VM Workstation's default gateway, this is confusing me, is my DNS working ?



      Isn't it suppose to return the DNS server address 192.168.102.159?



      The nslookup query in the screenshot above is run in PuTTY through which I'm logged into the DNS server as a root user, basically I'm running a DNS query on a DNS server itself, querying it's own IP.



      If someone could clarify it a bit, it's really confusing.



      Also if this is not the way to test it how else can I test it?



      enter image description here










      share|improve this question
















      Im trying to understand how the DNS and nslookup work, I'm a bit confused.



      This is a test setup, I have a DNS server with the IP 192.168.102.159 (A Cent OS VM) the DNS is configured with a zone abc.i.



      When I nslookup abc.i it results with the server address of 192.168.102.2 which is the IP address of the VM Workstation's default gateway, this is confusing me, is my DNS working ?



      Isn't it suppose to return the DNS server address 192.168.102.159?



      The nslookup query in the screenshot above is run in PuTTY through which I'm logged into the DNS server as a root user, basically I'm running a DNS query on a DNS server itself, querying it's own IP.



      If someone could clarify it a bit, it's really confusing.



      Also if this is not the way to test it how else can I test it?



      enter image description here







      dns






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Dec 30 '18 at 4:18









      JakeGould

      31.2k1096138




      31.2k1096138










      asked Dec 29 '18 at 22:48









      Huud RychHuud Rych

      127




      127






















          3 Answers
          3






          active

          oldest

          votes


















          3















          “Isn't it suppose to return the DNS server address 192.168.102.159?”




          Yes, you are right.



          On the other hand, I think you misunderstood the output of the nslookup command. According to the picture you posted your DNS server couldn't find the record you asked for, that's why it says NXDOMAIN.



          I also noticed you said you configured a zone called abc.i and asked for ns1.abc.ie instead of ns1.abc.i



          If you are using VMware Workstation and the network card of your VM is set to NAT, VMWare is going to assign an IP by DHCP which usually by default ends in 192.168.x.2. You can change the DNS server your client VM is querying to in the /etc/resolv.conf file.



          The sintax is as follows:



          search abc.i   
          nameserver 192.168.102.159


          I hope this helps.






          share|improve this answer


























          • Thanks for the reply, I had to change the abc.ie to abc.i becasue there is actually a web domain and the result shows it, I did try ns1.abc.i and abc.i the result is always 192.168.102.2, I tried to edit the resolv.conf file but on reboot it resets back to default..

            – Huud Rych
            Dec 30 '18 at 0:01











          • Also when I do a check on the zone and conf file the results are all OK..

            – Huud Rych
            Dec 30 '18 at 0:11











          • This can be happening because you're using network manager which by default modifies the resolv.conf file.

            – Manuel Florian
            Dec 30 '18 at 16:30











          • The output „Server: 192.168.102.2“ is not the result, it is the target of the query.

            – eckes
            Jan 6 at 22:17



















          2














          You are misinterpreting the results of your nslookup.



          The server is not returning anything for your request. It is not returning 192.168.102.2.



          What it is actually saying is that it queried (asked) the DNS server at 192.168.102.2 about ns1.abc.ie and it responded with non-existent domain. In other words, the server at 192.168.102.2 doesn't know anything about ns1.abc.ie.



          When you run nslookup it defaults to querying the DNS server(s) that are configured in your networking settings. Apparently, your server is configured with a DNS server IP address of 192.168.102.2. You can check that in /etc/resolv.conf.



          If you want to query a different server, you'll need to use the server directive.



          nslookup
          server 192.168.102.159
          ns1.abc.ie


          However, you don't mention if you actually have an A record in your zone file for ns1. If it doesn't exist, you're just going to get the same response NXDOMAIN.



          If you want to configure a static DNS server for your server. Which isn't really relevant to this problem at this time. Read here: http://ask.xmodulo.com/configure-static-dns-centos-fedora.html






          share|improve this answer


























          • Thank you for the detailed reply, I found out the resolv.conf file is used by VMWare and thus cannot be edited. I have an A record that points to the DNS server itself, I have also tried the server directive, same response.

            – Huud Rych
            Dec 30 '18 at 9:03













          • This is a static DNS, currently I found this DNS configuration on Cent OS and I'm attempting this..unixmen.com/setting-dns-server-centos-7

            – Huud Rych
            Dec 30 '18 at 9:05











          • My bad, I tried server directive in an earlier setup, the day before, not with this one, so I tried with the server directive, and the result is [root@localhost ~]# nslookup > server 192.168.102.159 Default server: 192.168.102.159 Address: 192.168.102.159#53

            – Huud Rych
            Dec 30 '18 at 9:15











          • However, it does not resolve the ns1.abc.ie in the same way, this was attempted from a client, it says connection timed out no servers could be reached, also I had to change the abc.ie to abc.i as there exists a web domain abc.ie..

            – Huud Rych
            Dec 30 '18 at 9:16





















          0














          This issue is resolved, apparently, I was so into it that I even forgot I was using a client machine that is not configured properly to check the DNS, even though the client was in the NAT network as the Cent OS, it was not issued a DHCP by the Cent OS Server and thus it did not have any DNS configuration either, I was testing through the client by manually adding DNS entries.



          Finally I tested it through putty as before and both forward and reverse lookups are resolving.



          Thank you all for your time, appreciate it.






          share|improve this answer























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            3 Answers
            3






            active

            oldest

            votes








            3 Answers
            3






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            3















            “Isn't it suppose to return the DNS server address 192.168.102.159?”




            Yes, you are right.



            On the other hand, I think you misunderstood the output of the nslookup command. According to the picture you posted your DNS server couldn't find the record you asked for, that's why it says NXDOMAIN.



            I also noticed you said you configured a zone called abc.i and asked for ns1.abc.ie instead of ns1.abc.i



            If you are using VMware Workstation and the network card of your VM is set to NAT, VMWare is going to assign an IP by DHCP which usually by default ends in 192.168.x.2. You can change the DNS server your client VM is querying to in the /etc/resolv.conf file.



            The sintax is as follows:



            search abc.i   
            nameserver 192.168.102.159


            I hope this helps.






            share|improve this answer


























            • Thanks for the reply, I had to change the abc.ie to abc.i becasue there is actually a web domain and the result shows it, I did try ns1.abc.i and abc.i the result is always 192.168.102.2, I tried to edit the resolv.conf file but on reboot it resets back to default..

              – Huud Rych
              Dec 30 '18 at 0:01











            • Also when I do a check on the zone and conf file the results are all OK..

              – Huud Rych
              Dec 30 '18 at 0:11











            • This can be happening because you're using network manager which by default modifies the resolv.conf file.

              – Manuel Florian
              Dec 30 '18 at 16:30











            • The output „Server: 192.168.102.2“ is not the result, it is the target of the query.

              – eckes
              Jan 6 at 22:17
















            3















            “Isn't it suppose to return the DNS server address 192.168.102.159?”




            Yes, you are right.



            On the other hand, I think you misunderstood the output of the nslookup command. According to the picture you posted your DNS server couldn't find the record you asked for, that's why it says NXDOMAIN.



            I also noticed you said you configured a zone called abc.i and asked for ns1.abc.ie instead of ns1.abc.i



            If you are using VMware Workstation and the network card of your VM is set to NAT, VMWare is going to assign an IP by DHCP which usually by default ends in 192.168.x.2. You can change the DNS server your client VM is querying to in the /etc/resolv.conf file.



            The sintax is as follows:



            search abc.i   
            nameserver 192.168.102.159


            I hope this helps.






            share|improve this answer


























            • Thanks for the reply, I had to change the abc.ie to abc.i becasue there is actually a web domain and the result shows it, I did try ns1.abc.i and abc.i the result is always 192.168.102.2, I tried to edit the resolv.conf file but on reboot it resets back to default..

              – Huud Rych
              Dec 30 '18 at 0:01











            • Also when I do a check on the zone and conf file the results are all OK..

              – Huud Rych
              Dec 30 '18 at 0:11











            • This can be happening because you're using network manager which by default modifies the resolv.conf file.

              – Manuel Florian
              Dec 30 '18 at 16:30











            • The output „Server: 192.168.102.2“ is not the result, it is the target of the query.

              – eckes
              Jan 6 at 22:17














            3












            3








            3








            “Isn't it suppose to return the DNS server address 192.168.102.159?”




            Yes, you are right.



            On the other hand, I think you misunderstood the output of the nslookup command. According to the picture you posted your DNS server couldn't find the record you asked for, that's why it says NXDOMAIN.



            I also noticed you said you configured a zone called abc.i and asked for ns1.abc.ie instead of ns1.abc.i



            If you are using VMware Workstation and the network card of your VM is set to NAT, VMWare is going to assign an IP by DHCP which usually by default ends in 192.168.x.2. You can change the DNS server your client VM is querying to in the /etc/resolv.conf file.



            The sintax is as follows:



            search abc.i   
            nameserver 192.168.102.159


            I hope this helps.






            share|improve this answer
















            “Isn't it suppose to return the DNS server address 192.168.102.159?”




            Yes, you are right.



            On the other hand, I think you misunderstood the output of the nslookup command. According to the picture you posted your DNS server couldn't find the record you asked for, that's why it says NXDOMAIN.



            I also noticed you said you configured a zone called abc.i and asked for ns1.abc.ie instead of ns1.abc.i



            If you are using VMware Workstation and the network card of your VM is set to NAT, VMWare is going to assign an IP by DHCP which usually by default ends in 192.168.x.2. You can change the DNS server your client VM is querying to in the /etc/resolv.conf file.



            The sintax is as follows:



            search abc.i   
            nameserver 192.168.102.159


            I hope this helps.







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Dec 30 '18 at 4:56









            JakeGould

            31.2k1096138




            31.2k1096138










            answered Dec 29 '18 at 23:44









            Manuel FlorianManuel Florian

            1595




            1595













            • Thanks for the reply, I had to change the abc.ie to abc.i becasue there is actually a web domain and the result shows it, I did try ns1.abc.i and abc.i the result is always 192.168.102.2, I tried to edit the resolv.conf file but on reboot it resets back to default..

              – Huud Rych
              Dec 30 '18 at 0:01











            • Also when I do a check on the zone and conf file the results are all OK..

              – Huud Rych
              Dec 30 '18 at 0:11











            • This can be happening because you're using network manager which by default modifies the resolv.conf file.

              – Manuel Florian
              Dec 30 '18 at 16:30











            • The output „Server: 192.168.102.2“ is not the result, it is the target of the query.

              – eckes
              Jan 6 at 22:17



















            • Thanks for the reply, I had to change the abc.ie to abc.i becasue there is actually a web domain and the result shows it, I did try ns1.abc.i and abc.i the result is always 192.168.102.2, I tried to edit the resolv.conf file but on reboot it resets back to default..

              – Huud Rych
              Dec 30 '18 at 0:01











            • Also when I do a check on the zone and conf file the results are all OK..

              – Huud Rych
              Dec 30 '18 at 0:11











            • This can be happening because you're using network manager which by default modifies the resolv.conf file.

              – Manuel Florian
              Dec 30 '18 at 16:30











            • The output „Server: 192.168.102.2“ is not the result, it is the target of the query.

              – eckes
              Jan 6 at 22:17

















            Thanks for the reply, I had to change the abc.ie to abc.i becasue there is actually a web domain and the result shows it, I did try ns1.abc.i and abc.i the result is always 192.168.102.2, I tried to edit the resolv.conf file but on reboot it resets back to default..

            – Huud Rych
            Dec 30 '18 at 0:01





            Thanks for the reply, I had to change the abc.ie to abc.i becasue there is actually a web domain and the result shows it, I did try ns1.abc.i and abc.i the result is always 192.168.102.2, I tried to edit the resolv.conf file but on reboot it resets back to default..

            – Huud Rych
            Dec 30 '18 at 0:01













            Also when I do a check on the zone and conf file the results are all OK..

            – Huud Rych
            Dec 30 '18 at 0:11





            Also when I do a check on the zone and conf file the results are all OK..

            – Huud Rych
            Dec 30 '18 at 0:11













            This can be happening because you're using network manager which by default modifies the resolv.conf file.

            – Manuel Florian
            Dec 30 '18 at 16:30





            This can be happening because you're using network manager which by default modifies the resolv.conf file.

            – Manuel Florian
            Dec 30 '18 at 16:30













            The output „Server: 192.168.102.2“ is not the result, it is the target of the query.

            – eckes
            Jan 6 at 22:17





            The output „Server: 192.168.102.2“ is not the result, it is the target of the query.

            – eckes
            Jan 6 at 22:17













            2














            You are misinterpreting the results of your nslookup.



            The server is not returning anything for your request. It is not returning 192.168.102.2.



            What it is actually saying is that it queried (asked) the DNS server at 192.168.102.2 about ns1.abc.ie and it responded with non-existent domain. In other words, the server at 192.168.102.2 doesn't know anything about ns1.abc.ie.



            When you run nslookup it defaults to querying the DNS server(s) that are configured in your networking settings. Apparently, your server is configured with a DNS server IP address of 192.168.102.2. You can check that in /etc/resolv.conf.



            If you want to query a different server, you'll need to use the server directive.



            nslookup
            server 192.168.102.159
            ns1.abc.ie


            However, you don't mention if you actually have an A record in your zone file for ns1. If it doesn't exist, you're just going to get the same response NXDOMAIN.



            If you want to configure a static DNS server for your server. Which isn't really relevant to this problem at this time. Read here: http://ask.xmodulo.com/configure-static-dns-centos-fedora.html






            share|improve this answer


























            • Thank you for the detailed reply, I found out the resolv.conf file is used by VMWare and thus cannot be edited. I have an A record that points to the DNS server itself, I have also tried the server directive, same response.

              – Huud Rych
              Dec 30 '18 at 9:03













            • This is a static DNS, currently I found this DNS configuration on Cent OS and I'm attempting this..unixmen.com/setting-dns-server-centos-7

              – Huud Rych
              Dec 30 '18 at 9:05











            • My bad, I tried server directive in an earlier setup, the day before, not with this one, so I tried with the server directive, and the result is [root@localhost ~]# nslookup > server 192.168.102.159 Default server: 192.168.102.159 Address: 192.168.102.159#53

              – Huud Rych
              Dec 30 '18 at 9:15











            • However, it does not resolve the ns1.abc.ie in the same way, this was attempted from a client, it says connection timed out no servers could be reached, also I had to change the abc.ie to abc.i as there exists a web domain abc.ie..

              – Huud Rych
              Dec 30 '18 at 9:16


















            2














            You are misinterpreting the results of your nslookup.



            The server is not returning anything for your request. It is not returning 192.168.102.2.



            What it is actually saying is that it queried (asked) the DNS server at 192.168.102.2 about ns1.abc.ie and it responded with non-existent domain. In other words, the server at 192.168.102.2 doesn't know anything about ns1.abc.ie.



            When you run nslookup it defaults to querying the DNS server(s) that are configured in your networking settings. Apparently, your server is configured with a DNS server IP address of 192.168.102.2. You can check that in /etc/resolv.conf.



            If you want to query a different server, you'll need to use the server directive.



            nslookup
            server 192.168.102.159
            ns1.abc.ie


            However, you don't mention if you actually have an A record in your zone file for ns1. If it doesn't exist, you're just going to get the same response NXDOMAIN.



            If you want to configure a static DNS server for your server. Which isn't really relevant to this problem at this time. Read here: http://ask.xmodulo.com/configure-static-dns-centos-fedora.html






            share|improve this answer


























            • Thank you for the detailed reply, I found out the resolv.conf file is used by VMWare and thus cannot be edited. I have an A record that points to the DNS server itself, I have also tried the server directive, same response.

              – Huud Rych
              Dec 30 '18 at 9:03













            • This is a static DNS, currently I found this DNS configuration on Cent OS and I'm attempting this..unixmen.com/setting-dns-server-centos-7

              – Huud Rych
              Dec 30 '18 at 9:05











            • My bad, I tried server directive in an earlier setup, the day before, not with this one, so I tried with the server directive, and the result is [root@localhost ~]# nslookup > server 192.168.102.159 Default server: 192.168.102.159 Address: 192.168.102.159#53

              – Huud Rych
              Dec 30 '18 at 9:15











            • However, it does not resolve the ns1.abc.ie in the same way, this was attempted from a client, it says connection timed out no servers could be reached, also I had to change the abc.ie to abc.i as there exists a web domain abc.ie..

              – Huud Rych
              Dec 30 '18 at 9:16
















            2












            2








            2







            You are misinterpreting the results of your nslookup.



            The server is not returning anything for your request. It is not returning 192.168.102.2.



            What it is actually saying is that it queried (asked) the DNS server at 192.168.102.2 about ns1.abc.ie and it responded with non-existent domain. In other words, the server at 192.168.102.2 doesn't know anything about ns1.abc.ie.



            When you run nslookup it defaults to querying the DNS server(s) that are configured in your networking settings. Apparently, your server is configured with a DNS server IP address of 192.168.102.2. You can check that in /etc/resolv.conf.



            If you want to query a different server, you'll need to use the server directive.



            nslookup
            server 192.168.102.159
            ns1.abc.ie


            However, you don't mention if you actually have an A record in your zone file for ns1. If it doesn't exist, you're just going to get the same response NXDOMAIN.



            If you want to configure a static DNS server for your server. Which isn't really relevant to this problem at this time. Read here: http://ask.xmodulo.com/configure-static-dns-centos-fedora.html






            share|improve this answer















            You are misinterpreting the results of your nslookup.



            The server is not returning anything for your request. It is not returning 192.168.102.2.



            What it is actually saying is that it queried (asked) the DNS server at 192.168.102.2 about ns1.abc.ie and it responded with non-existent domain. In other words, the server at 192.168.102.2 doesn't know anything about ns1.abc.ie.



            When you run nslookup it defaults to querying the DNS server(s) that are configured in your networking settings. Apparently, your server is configured with a DNS server IP address of 192.168.102.2. You can check that in /etc/resolv.conf.



            If you want to query a different server, you'll need to use the server directive.



            nslookup
            server 192.168.102.159
            ns1.abc.ie


            However, you don't mention if you actually have an A record in your zone file for ns1. If it doesn't exist, you're just going to get the same response NXDOMAIN.



            If you want to configure a static DNS server for your server. Which isn't really relevant to this problem at this time. Read here: http://ask.xmodulo.com/configure-static-dns-centos-fedora.html







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Dec 30 '18 at 4:18









            JakeGould

            31.2k1096138




            31.2k1096138










            answered Dec 30 '18 at 4:08









            AppleoddityAppleoddity

            7,24521124




            7,24521124













            • Thank you for the detailed reply, I found out the resolv.conf file is used by VMWare and thus cannot be edited. I have an A record that points to the DNS server itself, I have also tried the server directive, same response.

              – Huud Rych
              Dec 30 '18 at 9:03













            • This is a static DNS, currently I found this DNS configuration on Cent OS and I'm attempting this..unixmen.com/setting-dns-server-centos-7

              – Huud Rych
              Dec 30 '18 at 9:05











            • My bad, I tried server directive in an earlier setup, the day before, not with this one, so I tried with the server directive, and the result is [root@localhost ~]# nslookup > server 192.168.102.159 Default server: 192.168.102.159 Address: 192.168.102.159#53

              – Huud Rych
              Dec 30 '18 at 9:15











            • However, it does not resolve the ns1.abc.ie in the same way, this was attempted from a client, it says connection timed out no servers could be reached, also I had to change the abc.ie to abc.i as there exists a web domain abc.ie..

              – Huud Rych
              Dec 30 '18 at 9:16





















            • Thank you for the detailed reply, I found out the resolv.conf file is used by VMWare and thus cannot be edited. I have an A record that points to the DNS server itself, I have also tried the server directive, same response.

              – Huud Rych
              Dec 30 '18 at 9:03













            • This is a static DNS, currently I found this DNS configuration on Cent OS and I'm attempting this..unixmen.com/setting-dns-server-centos-7

              – Huud Rych
              Dec 30 '18 at 9:05











            • My bad, I tried server directive in an earlier setup, the day before, not with this one, so I tried with the server directive, and the result is [root@localhost ~]# nslookup > server 192.168.102.159 Default server: 192.168.102.159 Address: 192.168.102.159#53

              – Huud Rych
              Dec 30 '18 at 9:15











            • However, it does not resolve the ns1.abc.ie in the same way, this was attempted from a client, it says connection timed out no servers could be reached, also I had to change the abc.ie to abc.i as there exists a web domain abc.ie..

              – Huud Rych
              Dec 30 '18 at 9:16



















            Thank you for the detailed reply, I found out the resolv.conf file is used by VMWare and thus cannot be edited. I have an A record that points to the DNS server itself, I have also tried the server directive, same response.

            – Huud Rych
            Dec 30 '18 at 9:03







            Thank you for the detailed reply, I found out the resolv.conf file is used by VMWare and thus cannot be edited. I have an A record that points to the DNS server itself, I have also tried the server directive, same response.

            – Huud Rych
            Dec 30 '18 at 9:03















            This is a static DNS, currently I found this DNS configuration on Cent OS and I'm attempting this..unixmen.com/setting-dns-server-centos-7

            – Huud Rych
            Dec 30 '18 at 9:05





            This is a static DNS, currently I found this DNS configuration on Cent OS and I'm attempting this..unixmen.com/setting-dns-server-centos-7

            – Huud Rych
            Dec 30 '18 at 9:05













            My bad, I tried server directive in an earlier setup, the day before, not with this one, so I tried with the server directive, and the result is [root@localhost ~]# nslookup > server 192.168.102.159 Default server: 192.168.102.159 Address: 192.168.102.159#53

            – Huud Rych
            Dec 30 '18 at 9:15





            My bad, I tried server directive in an earlier setup, the day before, not with this one, so I tried with the server directive, and the result is [root@localhost ~]# nslookup > server 192.168.102.159 Default server: 192.168.102.159 Address: 192.168.102.159#53

            – Huud Rych
            Dec 30 '18 at 9:15













            However, it does not resolve the ns1.abc.ie in the same way, this was attempted from a client, it says connection timed out no servers could be reached, also I had to change the abc.ie to abc.i as there exists a web domain abc.ie..

            – Huud Rych
            Dec 30 '18 at 9:16







            However, it does not resolve the ns1.abc.ie in the same way, this was attempted from a client, it says connection timed out no servers could be reached, also I had to change the abc.ie to abc.i as there exists a web domain abc.ie..

            – Huud Rych
            Dec 30 '18 at 9:16













            0














            This issue is resolved, apparently, I was so into it that I even forgot I was using a client machine that is not configured properly to check the DNS, even though the client was in the NAT network as the Cent OS, it was not issued a DHCP by the Cent OS Server and thus it did not have any DNS configuration either, I was testing through the client by manually adding DNS entries.



            Finally I tested it through putty as before and both forward and reverse lookups are resolving.



            Thank you all for your time, appreciate it.






            share|improve this answer




























              0














              This issue is resolved, apparently, I was so into it that I even forgot I was using a client machine that is not configured properly to check the DNS, even though the client was in the NAT network as the Cent OS, it was not issued a DHCP by the Cent OS Server and thus it did not have any DNS configuration either, I was testing through the client by manually adding DNS entries.



              Finally I tested it through putty as before and both forward and reverse lookups are resolving.



              Thank you all for your time, appreciate it.






              share|improve this answer


























                0












                0








                0







                This issue is resolved, apparently, I was so into it that I even forgot I was using a client machine that is not configured properly to check the DNS, even though the client was in the NAT network as the Cent OS, it was not issued a DHCP by the Cent OS Server and thus it did not have any DNS configuration either, I was testing through the client by manually adding DNS entries.



                Finally I tested it through putty as before and both forward and reverse lookups are resolving.



                Thank you all for your time, appreciate it.






                share|improve this answer













                This issue is resolved, apparently, I was so into it that I even forgot I was using a client machine that is not configured properly to check the DNS, even though the client was in the NAT network as the Cent OS, it was not issued a DHCP by the Cent OS Server and thus it did not have any DNS configuration either, I was testing through the client by manually adding DNS entries.



                Finally I tested it through putty as before and both forward and reverse lookups are resolving.



                Thank you all for your time, appreciate it.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Dec 30 '18 at 15:59









                Huud RychHuud Rych

                127




                127






























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