Help - Name server timeout
Barry Finkel
b19141 at achilles.ctd.anl.gov
Mon Aug 20 14:20:29 UTC 2001
Jim Reid <jim at rfc1035.com> wrote:
>>>>> "Will" == Will Yardley <william+dns at hq.newdream.net> writes:
Will> for instance i was having problems with sendmail 8.12 beta
Will> and the domain 'prodigy.net.mx'. there is a 'servfail'
Will> response when asking for an aaaa record instead of an empty
Will> response with an soa record.
>While there may or may not be a problem with sendmail's handling of
>AAAA records, this is ultimately a problem with the name servers for
>prodigy.net.mx. They are all running an old version of BIND, 8.1.2.
>None of them are answering authoritatively for that zone. If they are
>asked for a <name, type, class> tuple that isn't in the prodigy.net.mx
>domain, they return SERVFAIL. This might be a bug in 8.1.2. [Who
>cares? It's long dead.] Or it could be that the servers attempt to
>resolve those queries, find the zone's NS records point at themselves
>and then give up with a SERVFAIL.
>
>I've Cc'ed the SOA RNAME contact for this zone so hopefully someone
>there will fix the problem of the non-authoritative answers and
>upgrade their name servers.
I have seen lots of the sircam virus that has a return path of
prodigy.net.mx
even though the mail did not originate from there. I have seen the
userid portion of the return address contaim multiple cntl-a characters.
----------------------------------------------------------------------
Barry S. Finkel
Electronics and Computing Technologies Division
Argonne National Laboratory Phone: +1 (630) 252-7277
9700 South Cass Avenue Facsimile:+1 (630) 252-9689
Building 221, Room B236 Internet: BSFinkel at anl.gov
Argonne, IL 60439-4844 IBMMAIL: I1004994
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