> Hi list, we as a customer from a CF- ISP are using a certain
> .com-domain. This domain was moving 14 days ago. Up to two days
> ago, everything was fine with the connection to the domain.
> And then all of a sudden the connection broke. I talked to
> the provider and he is 100 % positive that the server is up
> and the nameserver is up and the DNS-IPs in the domain-record
> are correct. He assures he hadn't done anything with the domain
> the last days and other .com-domain connected to the same server
> are working just fine.
>
> Then I went to the InterNIC-Whois-database: There it is written in
> the record that the domain was updated on 7/11/00 by the InterNIC.
> I sent them an E-Mail out, but they said, I have to talk to the
> registrant, which is not answering to my request up to now.
>
> A ping on the domain says: unknown IP-adress
>
> Is it possible that there is another DNS-IP-adress in use in
> comparison to the one people can see via a Whois-Search ?
There are lots of possibilities here. There are a couple of things you might
check.
1. Do the primary and secondary DNS servers in the InterNIC domain listing
have the right information?
You can find this out by reading the full InterNIC domain listing, available
from
http://www.networksolutions.com/cgi-bin/whois/whois
Then, use NSLOOKUP to query each of those servers directly and find out
whether or not they have the right info, and whether they list themselves as
authoritative for the domain.
2. Is the DNS server you're using from your client querying the
authoritative DNS, or is it using cached (and incorrect) information? You'll
have to answer question one first.
Alternatively, if you'd like me or someone else on the list to help diagnose
the problem, let us know the domain, and the IP addresses and their
corresponding hosts.
Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/
voice: (202) 797-5496
fax: (202) 797-5444
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