[Cumbria] Which of you nice chaps is at bnfl?
Luke Antins
cumbria at mailman.lug.org.uk
Tue Apr 15 13:21:01 2003
Just a note, I flushed the cash on the server 217.158.176.254 and forced
an update just before I sent you the ip address's.
So it is getting the correct information now, however before it was not.
--
Kind Regards
Luke Antins
On Tue, 15 Apr 2003, Paul Broomfield wrote:
> I have no problems getting MX records from those servers. Though not
> dishing the MX records doesn't seem to be the problem. All my name
> servers are fine. I think that there could be a routing problem between
> my net and other nets I am just trying to find 1 ip that I can ping
> outside of the 62.69.78.0/23 subnet but not inside.
>
> Paul Broomfield
>
>
>
> [root@seventeen qmail]# dig wrax.co.uk mx @217.158.176.254
>
> ; <<>> DiG 8.3 <<>> wrax.co.uk mx @217.158.176.254
> ; (1 server found)
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 3, ADDITIONAL: 5
> ;; QUERY SECTION:
> ;; wrax.co.uk, type = MX, class = IN
>
> ;; ANSWER SECTION:
> wrax.co.uk. 10h40m IN MX 10 mail7.wrax.co.uk.
> wrax.co.uk. 10h40m IN MX 20 mail8.wrax.co.uk.
> wrax.co.uk. 10h40m IN MX 30 mail13.wrax.co.uk.
> wrax.co.uk. 10h40m IN MX 40 london.wrax.net.uk.
>
> ;; AUTHORITY SECTION:
> wrax.co.uk. 10h40m IN NS third.wrx.co.uk.
> wrax.co.uk. 10h40m IN NS one.wrax.co.uk.
> wrax.co.uk. 10h40m IN NS half.wrax.co.uk.
>
> ;; ADDITIONAL SECTION:
> mail7.wrax.co.uk. 10h40m IN A 62.69.78.7
> mail8.wrax.co.uk. 10h40m IN A 62.69.78.8
> mail13.wrax.co.uk. 10h40m IN A 62.69.78.13
> one.wrax.co.uk. 10h40m IN A 62.69.78.1
> half.wrax.co.uk. 10h40m IN A 62.39.78.10
>
> ;; Total query time: 24 msec
> ;; FROM: seventeen.wrax.co.uk to SERVER: 217.158.176.254
> 217.158.176.254
> ;; WHEN: Tue Apr 15 12:43:29 2003
> ;; MSG SIZE sent: 28 rcvd: 268
>
> [root@seventeen qmail]# dig wrax.co.uk mx @217.134.219.27
>
> ; <<>> DiG 8.3 <<>> wrax.co.uk mx @217.134.219.27
> ; (1 server found)
> ;; res options: init recurs defnam dnsrch
> ;; res_nsend to server 217.134.219.27 217.134.219.27: Connection timed
> out
> [root@seventeen qmail]#
>
>
>
> >-----Original Message-----
> >From: cumbria-admin@mailman.lug.org.uk
> >[mailto:cumbria-admin@mailman.lug.org.uk] On Behalf Of Luke Antins
> >Sent: 15 April 2003 12:37
> >To: cumbria@mailman.lug.org.uk
> >Subject: RE: [Cumbria] Which of you nice chaps is at bnfl?
> >
> >
> >Ok, at home: 217.134.219.27
> >
> >And then take your pick from any box in this ip range
> >217.158.176.0 - 255. (dns server is running on 217.158.176.254)
> >
> >--
> >Kind Regards
> >Luke Antins
> >
> >On Tue, 15 Apr 2003, Paul Broomfield wrote:
> >
> >> Please can you give me the ip of a box where it does not work from?
> >>
> >> >-----Original Message-----
> >> >From: cumbria-admin@mailman.lug.org.uk
> >> >[mailto:cumbria-admin@mailman.lug.org.uk] On Behalf Of Luke Antins
> >> >Sent: 15 April 2003 12:20
> >> >To: cumbria@mailman.lug.org.uk
> >> >Subject: Re: [Cumbria] Which of you nice chaps is at bnfl?
> >> >
> >> >
> >> >Yep, looks like you may have a problem with DNS.
> >> >
> >> >I done a dig from home and got this in the answer section:
> >> >wrax.co.uk. 34048 IN A 62.69.78.1
> >> >wrax.co.uk. 37444 IN NS one.wrax.co.uk.
> >> >wrax.co.uk. 37444 IN NS half.wrax.co.uk.
> >> >
> >> >As you can see no MX records.
> >> >
> >> >However I took a look from one of my boxen that is down in
> >London and
> >> >got
> >> >this:
> >> >wrax.co.uk. 9h26m44s IN NS one.wrax.co.uk.
> >> >wrax.co.uk. 9h26m44s IN NS half.wrax.co.uk.
> >> >wrax.co.uk. 9h26m44s IN A 62.69.78.1
> >> >wrax.co.uk. 10h38m25s IN MX 10 mail7.wrax.co.uk.
> >> >wrax.co.uk. 10h38m25s IN MX 20 mail8.wrax.co.uk.
> >> >wrax.co.uk. 10h38m25s IN MX 30 mail13.wrax.co.uk.
> >> >wrax.co.uk. 10h38m25s IN MX 40 london.wrax.net.uk.
> >> >
> >> >Whoo! MX records! (that happened to be from my mail server).
> >> >
> >> >Done it from another boxen down London and got this the same as the
> >> >first one.
> >> >
> >> >So your problem looks like a DNS one.
> >> >
> >> >I could not get an answer from half.wrax.co.uk but I can
> >get one from
> >> >one.wrax.co.uk (and get the correct information).
> >> >
> >> >I'd take a look at your DNS servers and make sure they have the
> >> >correct information in the zones and make sure your slave
> >DNS server
> >> >is slaving correctly.
> >> >
> >> >BNFL's mail server has probably got a reply from a DNS server with
> >> >the incorrect zone information (IE no MX records).
> >> >
> >> >Fix it up, get em to flush there DNS cache (if the run
> >there own DNS
> >> >servers that is) and it should work fine.
> >> >
> >> >Ah well, hope my blabbing helps.
> >> >
> >> >--
> >> >Kind Regards
> >> >Luke Antins
> >> >
> >> >_______________________________________________
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> >> >Cumbria@mailman.lug.org.uk
> >> >http://mailman.lug.org.uk/mailman/listinfo/cumbria
> >> >
> >>
> >>
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> >>
> >
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