question on query process

Tech W. techwww at
Tue May 25 08:20:05 UTC 2010


I have a question about the query process of local dns cache to remote servers.
When my local dns cache want to find the A record for a domain name, for example,
If the A record doesn't exist in its cache, but's NS records are there.
Thus the dns cache will query to's ns servers directly, is it?

If the domain's NS records are not there, how will dns cache handle the case?

Thanks & Regards,


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