[Cumbria] Which of you nice chaps is at bnfl?

Paul Broomfield cumbria at mailman.lug.org.uk
Tue Apr 15 12:32:01 2003


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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