Posted by Steven Saunderson on 11/23/61 11:44

On Fri, 07 Apr 2006 12:42:24 GMT, David Segall <david@nowhere.net>
wrote:

>>Technically it takes seconds locally, but it can take up to a couple of
>>days to propagate worldwide.
>Why? I can understand a change of host address taking some time to
>propagate because it can be cached at various places on the way. But I
>think that the OP was asking about a new subdomain and I don't see how
>that can be cached. Surely a request to resolve new.mydomain.com must
>be referred to the nameserver since it need not have any relation to
>the host of mydomain.com or old.mydomain.com.

Quite right. Whenever I've done it the new subdomain can be found as
soon as the DNS zone info is saved. The first name search might take a
little longer but that is the extent of the delay. However, if people
on other servers only queue their updates the delay could be much
longer.

--
Steven

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