What does this mean?

[Ricardo Manuel Oliveira]

Jim Reid wrote:
> 
> >>>>> "Ricardo" == Ricardo Manuel Oliveira <rmo at eurotux.com> writes:
> 
>     Ricardo>  Today I started receiving these messages in bind's logs:
> 
>     Ricardo> 04-Dec-2000 04:02:40.639 response-checks: Malformed response from [xxx.xxx.xxx.xxx].53 (query section mismatch (xxx.xxx.xxx.xxx.in-addr.arpa IN PTR))
>     Ricardo> 04-Dec-2000 04:02:41.242 response-checks: Malformed response from [xxx.xxx.xxx.xxx].53 (query section mismatch (xxx.xxx.xxx.xxx.in-addr.arpa IN PTR))
> 
>     Ricardo>  What does this mean? (No, the xxx.xxx.xxx.xxx isn't one
>     Ricardo> of my machines).
> 
> The messages mean what they say. Your name server thinks the reply
> from xxx.xxx.xxx.xxx was mangled. The query section of the reply was
> wrong. It looks like your server believes the answer didn't contain
> the query that your server originally asked. This means there's a
> protocol error between the xxx.xxx.xxx.xxx name server and yours. It
> could be that server is sending corrupt packets or your server is
> failing to decode correctly formatted packets. Or something in between
> the servers is corrupting them. FYI, an a-z of common BIND error
> messages is available on Cricket Liu's website. See:
>         http://www.acmebw.com/askmrdns/bind-messages.htm

 Thank you. You have been very helpfully, as always.

 Best of regards, Ricardo.

----
Ricardo Manuel Oliveira