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Christopher Bort has done an excellent job of diagnosing the problems
Re: DNS not propogating properly??
From: Men & Mice Support
Date: Monday, July 10, 2000
Time: 5:39:43 pm
you're having. I think he's after my job... ;)
I checked the registration for harrispainthorses.com. It doesn't
appear to belong to your DNS servers:
Domain Name: HARRISPAINTHORSES.COM
[...]
Record last updated on 21-Sep-1999.
[...]
Domain servers in listed order:
JERRY.OLYWA.NET 216.173.192.10
VALIS.OLYWA.NET 216.173.192.2
However, as was mentioned before, the domain isn't listed on the root
servers. You'll need to ask NSI why not.
When it comes to changing IP addresses, because of caching issues,
you'll almost always need to keep servers on both old and new
addresses until the old servers stop getting requests. Either that,
or set up a port mapping, 2-way NAT utility (e.g. IPNetRouter) on the
old addresses - this option is for those who really know what they're
doing, because doing it wrong can lead to serious problems.
From your description of the statements made by your ISP, I'd say
they're completely clueless and don't want to seem so, so they make
authoritative-sounding, but ridiculous, statements.
>Here's a question:
>When I do a traceroute on any site on my server, the last hop goes to
>208.1.125.162(good) but there is no name listed- every other site I checked
>has a server name listed here.
>Why is that, and is that not a problem?
That's all in the reverse records. That's a lower priority than your
other issues - it's something that should be seen to, but it isn't
critical.
>also, once I change the ip addresses, will I loos all traffic?
>I've never quite understood this part. I know about the cached servers(and
>AOL's lovely caching process) but when the request actually comes to my DNS,
>is it in the form of an ip or a name. If it's a name, then I'm safe,
>correct?
>If it's an ip, there will be no records in my DNS and it will fail, correct?
DNS queries will ask for names. However, outside resolvers will try
to contact your DNS servers using an IP address; which IP address
they try to contact depends on caching, the root servers, etc. That's
why, when you go about moving to new IP addresses, you need to have
your DNS server represented at both IP addresses.
____________________________________________________________________
Chris Buxton cbuxton@menandmice.com
Men & Mice http://www.menandmice.com
Makers of: QuickDNS Pro
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