question on query process
techwww at yahoo.com.cn
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, www.example.com
If the A record doesn't exist in its cache, but example.com's NS records are there.
Thus the dns cache will query to example.com'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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