Re: DNS Resolve dramas
The problem happen with all domains, or only with google? or only with
international domains?
You have reverse DNS with your backbone?
You try test the route to the google DNS server?
mtr is a great tool test route.
sorry for my english
Em Qua, 2007-03-21 às 10:32 +1000, Julian De Marchi escreveu:
> Hi All,
>
> Have had an extremely weird issue with my primary DNS server. All of a sudden it stops resolving domains names from the ROOT servers. I.E google.com will not resolve.
>
> The weird part is that there are no errors in syslog. When I perform the command host google.com it returns SVRFAIL.
>
> I know it is an issue with my DNS server (bind9 chrooted) but I can not determine where.
>
> Extract of the top of my named.conf file
>
> julian@ns1:~$ sudo cat /etc/bind/named.conf
> Password:
> // 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";
>
> // prime the server with knowledge of the root servers
> zone "." {
> type hint;
> file "/etc/bind/db.root";
> };
>
> // be authoritative for the localhost forward and reverse zones, and for
> // broadcast zones as per RFC 1912
>
> zone "localhost" {
> type master;
> file "/etc/bind/db.local";
> };
>
> zone "127.in-addr.arpa" {
> type master;
> file "/etc/bind/db.127";
> };
>
> zone "0.in-addr.arpa" {
> type master;
> file "/etc/bind/db.0";
> };
>
> zone "255.in-addr.arpa" {
> type master;
> file "/etc/bind/db.255";
> };
>
> All my domain names still resolve fine. Just the domain names not hosted by my BIND9 will not resolve.
>
> Any ideas where I can start the investigation? I have even restored the named.conf file from a backup, but this does not assist. When I stop and start the service it resolves for about ten minutes, then stops.
>
> Regards,
>
> Julian De Marchi
>
>
>
>
>
>
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Um abraço.
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