[Cumbria] Which of you nice chaps is at bnfl?
Paul Broomfield
cumbria at mailman.lug.org.uk
Tue Apr 15 13:34:01 2003
Very odd.
>-----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 13:20
>To: cumbria@mailman.lug.org.uk
>Subject: RE: [Cumbria] Which of you nice chaps is at bnfl?
>
>
>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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>> >> >http://mailman.lug.org.uk/mailman/listinfo/cumbria
>> >> >
>> >>
>> >>
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>> >
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