Re: dns query process

Since they may have cached the NS records at any time, it's just a maximum of 345600. Once a device follows the delegation from the .com authority and queries ns1.google.com directly, the NS records in the cache that were learned from the .com level servers are overwritten with what was learned fro

dns query process

Hi all This is result of tracing www.google.com by dig 9.5.0 ; <<>> DiG 9.5.0-P1 <<>> +trace www.google.com ;; global options: printcmd . 9398IN NS E.ROOT-SERVERS.NET. . 9398IN NS G.ROOT-SERVERS.NET. .