On Thu, 21 Oct 2010, Ted Cooper wrote: > Is this even valid??
Yeah it's a funny one. I actually spoke to them about in February this year too, but I didn't hear much back and either it went away, or it's been lingering since then. > Multiple records are ok, but the * contain records? That really doesn't > seem right. Almost like someone forgot to take into account those kind > of records in the forward lookup zone when writing a script to > automatically create the reverse zone. > > All the DNS tools are perfectly fine resolving it but it still seems > bonkers. Ah, but Exim can't .. at least in any test I can throw at it in > a couple of minutes. I don't get why the debugging of the query response says: ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53692 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2 ;; *.test.wales.ac.uk, type = A, class = IN *.test.wales.ac.uk. 41m45s IN A 194.80.131.5 ... but then you get: 10:39:58 23259 gethostbyname2(af=inet) returned 3 (NO_RECOVERY) gethostbyname2 appears to be deciding that NO_RECOVERY is appropriate, even though an answer to "*.test.wales.ac.uk." was received and DNS appears happy. > Exim shouldn't bug out or error on this - perhaps it should be ignoring > garbage results and just be happy the rest being ok .. except apparently > these aren't garbage results. :/ I can't for the life of me find an RFC > past 1035 (wasn't it deprecated? Or was that the email one) that allows > a * to be part of a valid hostname and hence listed as PTR data. We need Tony, sage of DNS to clear the mist :). > I'd shoot the person who put all that cruft in the in-addr.arpa zone > file ;) Remove it and Exim should be happy again. I really don't know if > we should consider it a bug in Exim though. It doesn't appear to be Exim so far as I can see, but the resolver library. Whether it is correct to grumble or not is what I'm really after finding out. Jethro. . . . . . . . . . . . . . . . . . . . . . . . . . Jethro R Binks, Network Manager, Information Services Directorate, University Of Strathclyde, Glasgow, UK The University of Strathclyde is a charitable body, registered in Scotland, number SC015263. -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
