[bind-users] DNS weirdness

The Doctor doctor at doctor.nl2k.ab.ca
Tue Mar 3 14:10:49 UTC 2015


On Tue, Mar 03, 2015 at 03:47:58AM -0600, Jerry K wrote:
> Hello Doc,
> 
> Wanted to see if you were able to resolve your issue.
> 
> I have seen this issue occur in the past also.
>


Not yet.

Still the problem with the original server was a dying power supply.
 
> Jerry
> 
> 
> On 01/ 6/15 12:50 PM, The Doctor wrote:
> >Help needed.
> >
> >This morning my primary DNS server locked.
> >
> >No worries, the backup will kick in.
> >
> >Wrong
> >
> >!!
> >
> >The Secondary DNS server cannot resolve properly unless
> >the 'real' primary is working.
> >
> >All right, why is the secondary server behaving this way?
> >
> >Satrt of secondary DNS server named.conf file
> >
> >//Use with the following in named.conf, adjusting the allow list as needed:
> >key "rndc-key" {
> >       algorithm hmac-md5;
> >       secret "7ZbGK94NdSa2WACxx72W1w==";
> >};
> >
> >controls {
> >       inet 127.0.0.1 port 953
> >               allow { 127.0.0.1; } keys { "rndc-key"; };
> >};
> >
> >
> >
> >
> >// generated by named-bootconf.pl
> >
> >options {
> >         directory "/etc/namedb";
> >         pid-file "/var/run/named.pid";
> >         dump-file "/etc/namedb/named.core";
> >         max-ncache-ttl 86400;
> >         recursive-clients 100;
> >         reserved-sockets 128;
> >         tcp-clients 40;
> >         tcp-listen-queue 14;
> >         zone-statistics yes;
> >         forwarders { 208.67.222.222; 208.67.220.220; };
> >         blackhole {
> >                 65.94.172.87;
> >                 67.68.204.41;
> >                 74.15.184.13;
> >                 65.94.173.208;
> >         };
> >         allow-transfer {
> >                         204.209.81.1;
> >                         204.209.81.8;
> >                         204.209.81.14;
> >                         };
> >         allow-notify {
> >                         204.209.81.1;
> >                         204.209.81.8;
> >                         204.209.81.14;
> >                         };
> >         also-notify {
> >                         204.209.81.1 port 53;
> >                         204.209.81.8 port 53;
> >                         204.209.81.14 port 53;
> >                         };
> >         /*
> >          * If there is a firewall between you and nameservers you want
> >          * to talk to, you might need to uncomment the query-source
> >          * directive below.  Previous versions of BIND always asked
> >
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