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How do you determine if the DNS server is authoritative [Resolved]

How do you determine if the DNS server is authoritative? For example,for 2008 DNS SERVER,if there is no cache,and the transponder is not configured,how can I determine which IP address to use when I go to the root to ask for the IP query resolution? After all,there are 13,right? Since I have done the packet capture analysis before,every time I go to QUERY DNS,the target root IP is different,so do I think there are rules when I choose the root IP?


Question Credit: 齐敖日格勒
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Asked October 10, 2018
Posted Under: Network
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1 Answers

The DNS server selects one of the 13 root name servers using round-robin DNS. It gets the IP addresses of these 13 root servers from the hints file included in a DNS server installation.


credit: Tom
Answered October 10, 2018
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