I am running ubuntu 12.10 desktop edition. I am having and issue with my DNS not resolving certain internal names on our network. We run 3 internal DNS servers. Originally the 1st one (192.168.6.1) had the other 2 servers set as upstream, but now we've removed that.
I have set nameservers in
/etc/resolv.conf successfully to list all 3 nameservers instead of just the one name server (192.168.6.1) which it had originally.
I can't resolve names that are resolvable on the 2nd and 3rd DNS.
$ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 192.168.6.1 nameserver 10.10.11.5 nameserver 10.10.11.4 search internal.local $ cat /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.6.180 netmask 255.255.255.0 broadcast 192.168.6.255 gateway 192.168.6.1 dns-nameservers 192.168.6.1 10.10.11.5 10.10.11.4 dns-search ontech.local mtu 1250
As you can see, the name servers are all setup in the right files.
Now to test out the name servers:
$ nslookup > server 10.10.11.5 Default server: 10.10.11.5 Address: 10.10.11.5#53 > aws-internal-frontend Server: 10.10.11.5 Address: 10.10.11.5#53 Name: aws-internal-frontend.internal.local Address: 10.10.10.5 > server 192.168.6.1 Default server: 192.168.6.1 Address: 192.168.6.1#53 > aws-internal-frontend Server: 192.168.6.1 Address: 192.168.6.1#53 ** server can't find aws-internal-frontend: NXDOMAIN > server 127.0.0.1 Default server: 127.0.0.1 Address: 127.0.0.1#53 > aws-internal-frontend ^C $ ping aws-internal-frontend ping: unknown host aws-internal-frontend
As you can tell, the 1st DNS can't resolve the name but the second one can. I have this second one setup in my
/etc/resolv.conf yet it won't use that name server to attempt to resolve the address.
What settings do i need to change to fix this so that i can ping aws-internal-frontend.