TTL Question

[Chris Buxton]

This sounds more like a stale delegation problem than a caching problem.

When you retired the server, did you notify your zones' parents? For  
example, if the server hosted the zone mcmaster.ca, did you notify  
the registrar for .ca?

Chris Buxton
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On Oct 16, 2007, at 8:21 AM, Mike Diggins wrote:

>
> What dictates how long another name server caches the authoritative  
> name
> server for a domain? I was under the impression it was the default
> time-to-live, but I have a situation where an authoritative name  
> server
> was removed from service several days ago, yet queries to it  
> continue. Dig
> is correctly reporting the new authoritative name servers for the  
> domain
> in question. How common is it for DNS servers to ignore the ttl?
>
> -Mike
>
>
>