[NTLUG:Discuss] DNS help

[Cox, Chris]

It was totally my problem.  I failed to have the old
name servers host entry in the Network Solns registry removed.
That caused an IP conflict since the old address in the
registry was different from the one coming from the
authority for the zone.

-----Original Message-----
From: discuss-admin at ntlug.org [mailto:discuss-admin at ntlug.org]On Behalf
Of Bug Hunter
Sent: Friday, August 10, 2001 10:03 AM
To: discuss at ntlug.org
Subject: Re: [NTLUG:Discuss] DNS help



 I had a similar problem with Mae East recently.  I think that some of the
top level servers are not being handled well.



On Sun, 5 Aug 2001, Chris Cox wrote:

> The situation, my DNS authority for my domain has a record that
> gets cached correctly on others DNS servers sometimes... but most
> of the time, a different IP addressed gets cached... clear up
> to the root... even though they all see my DNS provider as
> being the authority for the domain.
> 
> So occasionally, I see the right address in @home's DNS, and
> sometimes the wrong one.
> 
> My guess is that the other DNS is stating that it has authority
> records for the domain.... and for whatever reason (TTL or
> otherwise), most people end up caching the bad record instead
> of the one coming from the true authority for the domain.
> 
> Any clues... without having access to DNS records directly...
> of how to track down the host that is causing the problem
> in DNS??
> 
> I have examined the DNS from our hoster... the records look
> fine (requested a zone xfer to examine the records).  I have
> found another site that claims to have authority
> records (which is wrong of course), but their records
> are fine, though redundant with ours.
> 
> I have an outstanding call to Network Solns to help solve this
> issue.  No one associated with the domain during its lifetime
> remembers anyone else possibly having authoratative records
> for the domain.
> 
> The TRUE provider of DNS records for the domain, cleared out
> all of their entries.  As one would expect, gradually DNS
> servers deferred up the ladder until eventually it was
> only cached at the root server level... then eventually
> it did not show up at all (which is what you would expect
> after TTL experiation).  That experiement did not reveal
> anything to us.... so they put the records back in.  The
> right address was cached correctly by some, then the
> wrong address (the address is nowhere to be found in thier
> DNS files btw) started getting cached again... sigh.
> 
> How do I track down a site that is portraying bad records
> of authority for my domain??
> 
> Any thought or ideas?
> Chris
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> 

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