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Old 04-22-2005, 07:36 PM   #1
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Registered: Sep 2004
Posts: 4

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BIND/DNS: Some subdomains resolve, some don't

I'm curious if this is typical behavior or not...

Whenever I create a new DNS zone file in BIND 9, some of the subdomains resolve very quickly, whereas others (particularly the root-level domain) do not.

For example, when setting up a mail server (on the same machine), "" and "" will start resolving within a day or two, whereas "" won't resolve for a week or two... even if all domains reference the same machine.

Here's an example zone file:

$TTL 86400 IN SOA localhost. root.localhost (
2 ; serial
28800 ; refresh
7200 ; retry
604800 ; expire
86400 ; ttl

IN NS localhost.

smtp IN A
pop IN A IN A

What could be going on here? Does this have to do with higher-level DNS processing, or is there something different I should be doing in my configuration?

My server is Redhat 9 (updated via the Fedora Legacy project) on an Athlon i686.


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