Question on resolving domain with multiple NS records

[Joe Shen]

Hi,


If a domain name has multiple NS records, which NS
record will be used when a cache server is trying to
resolve a name in domain?


e.g. 

I'm trying to resolve domain name www.zjedu.gov.cn,
and I found there is two NS records for that domain

   zjedu.gov.cn     21600     IN NS   dns.zjedu.org
   zjedu.gov.cn     21600     IN NS   dns1.zjedu.org

Which NS will be used in further recursive lookup
procedure?

regards

Joe





		
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