DNS Issues (Ubuntu 13.10 x64)

I’m having DNS resolving issues with my VPS. So far I setup and configured nginx, php-fpm, and mysql. What I find strange is that the problem is intermittent but when the DNS does successfully resolve it only does so for a very short period of time (a few minutes). Right now I’m getting a 502 error ERR_NAME_NOT_RESOLVED.

Things I’ve tried: Edited dns-nameservers in /etc/network/interfaces to be Added supersede domain-name-servers,; in /etc/dhcp/dhclient.conf I double checked my DO DNS CP settings which appear to be fine.

Any ideas on how I can fix this issue?

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<blockquote>Right now I’m getting a 502 error ERR_NAME_NOT_RESOLVED.</blockquote> <br>What domain/hostname gives you that error?

Results from the domain configuration check:

<b>“… which appear to be fine.”</b> <br> <br>Appearances can be deceiving, sometimes. You’re better off running some tests with (free) online DNS tools, e.g. the <a href=“”>Domain Configuration</a> tool – to know for sure that it’s not your DNS records causing the problem.