 |  |
that sound's really lame...the whole point of having multiple NS is so th=
Re: weird dns error resolving "www"
From: andrew kagan
Date: Monday, September 24, 2001
Time: 6:47:12 am
at
if one goes down, queries for the domain will still resolve. What you're
telling me is if an NS goes down, other NS's won't query the working NS a=
nd
will just timeout...so what's the point of the redundancy?
Again, my lack of knowledge about DNS is showing...is is something like i=
f
one NS gets an authoritative answer from another NS, it will continue to =
try
that NS AND ONLY that NS until domain's TTL expires? Is that what's
happening here?
I'm really trying to understand what's going on here. Thanks for your hel=
p
to this point.
Andrew
----- Original Message -----
From: "Len Conrad" <LenConrad@MenAndMice.com>
To: "QuickDNS Talk" <quickdns-talk@lists.menandmice.com>
Sent: Monday, September 24, 2001 6:42 AM
Subject: Re: weird dns error resolving "www"
>
> >"something" is needed to explain the huge discrepancy in the www respo=
nse
> >above.
>
> And I think I know what that something is. In my first query, my NS
> 212.73.210.69 probably got the answer from your two responding NS's. I=
n
> the second query, it probably used ns2 first, timed out since that box =
is
> dead, and then queried one of the responding NS's.
>
> If you cannot get ns2 back on-line quickly, I suggest you change the
domain
> registration to exclude ns2. Some NS's and resolvers and broswers
time-out
> on ns2 and perhaps are falling over to using alternative NS=B4s.
>
> Len
>
> ___________________________________________________________________
>
> Men & Mice: QuickDNS - DNS Expert - DNS Training - DNS Consulting
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,
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>
>
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