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I have a DNS/DHCP server in my house running Ubuntu Server 12.04. It handles name resolution for all my internal computers. I know it's overkill, but I am studying for Linux certifications so it's important to me that I learn this stuff.

Anyway, it's been working perfectly fine up until about four days ago. Then, it started not resolving almost any outside web sites. I kept getting redirected to the OpenDNS "website unavailable" page. So, I got frustrated and removed OpenDNS from the forwarding and replaced it with Google's DNS servers. I thought that would fix it, but today it's acting up again, not resolving almost anything. This time, however, I'm getting Google's error page and not the OpenDNS error page. I think that two different DNS servers having trouble would be a strange coincidence. With the Google DNS error page, if I refresh my browser, the requested site will load fine.

No changes have been made to my DNS server recently other than removing OpenDNS, so maybe it is the outside DNS servers that are the problem.

Named.conf:

Code:
// This is the primary configuration file for the BIND DNS server named.
//
// Please read /usr/share/doc/bind9/README.Debian.gz for information on the
// structure of BIND configuration files in Debian, *BEFORE* you customize
// this configuration file.
//
// If you are just adding zones, please do that in /etc/bind/named.conf.local

include "/etc/bind/named.conf.options";
include "/etc/bind/named.conf.local";
include "/etc/bind/named.conf.default-zones";
named.conf.options:

Code:
options {
03-14-2013, 10:06 AM
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