Bind sometimes SERVFAIL

[Matus UHLAR - fantomas]

On 11.11.09 16:05, Pawel Rutkowski wrote:
> Please look below, it's normal ? Sometime servfail, sometimes nxdomain.
>
> [root at linux ~]# host 209.85.255.187 ns1.isp
> Using domain server:
> Name: ns1.isp
> Address: ns1.isp#53
> Aliases:
>
> Host 187.255.85.209.in-addr.arpa not found: 2(SERVFAIL)
> [root at linux ~]# host 209.85.255.187 ns1.isp
> Using domain server:
> Name: ns1.isp
> Address: ns1.isp#53
> Aliases:
>
> Host 187.255.85.209.in-addr.arpa not found: 3(NXDOMAIN)
> [root at linux ~]# host 209.85.255.187 ns1.isp
> Using domain server:
> Name: ns1.isp
> Address: ns1.isp#53
> Aliases:
>
> Host 187.255.85.209.in-addr.arpa not found: 3(NXDOMAIN)

Use 'dig -x 209.85.255.187 @ns1.isp' and look at "NS" records and TTLs.
Invalid delegations and inconsistent NS records (domain is delegated from
parent to different servers than those listed in the domain) often cause
these kinds of problems.

-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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