A root name server is a name server for the Domain Name System's root zone. It directly answers requests for records in the root zone
and answers other requests returning a list of the designated authoritative name servers for the appropriate top-level domain (TLD).
The newest DNS root zoon on.
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# dig @a.root-servers.net ns
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-16.P1.el5_7.1 <<>> @a.root-servers.net ns ; (2 servers found) ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 44384 ;; flags: qr aa rd; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14
;; QUESTION SECTION: ;. IN NS
;; ANSWER SECTION: . 518400 IN NS f.root-servers.net. . 518400 IN NS b.root-servers.net. . 518400 IN NS k.root-servers.net. . 518400 IN NS e.root-servers.net. . 518400 IN NS c.root-servers.net. . 518400 IN NS a.root-servers.net. . 518400 IN NS l.root-servers.net. . 518400 IN NS j.root-servers.net. . 518400 IN NS h.root-servers.net. . 518400 IN NS d.root-servers.net. . 518400 IN NS m.root-servers.net. . 518400 IN NS i.root-servers.net. . 518400 IN NS g.root-servers.net.
;; ADDITIONAL SECTION: a.root-servers.net. 3600000 IN A 198.41.0.4 a.root-servers.net. 3600000 IN AAAA 2001:503:ba3e::2:30 b.root-servers.net. 3600000 IN A 192.228.79.201 c.root-servers.net. 3600000 IN A 192.33.4.12 d.root-servers.net. 3600000 IN A 128.8.10.90 d.root-servers.net. 3600000 IN AAAA 2001:500:2d::d e.root-servers.net. 3600000 IN A 192.203.230.10 f.root-servers.net. 3600000 IN A 192.5.5.241 f.root-servers.net. 3600000 IN AAAA 2001:500:2f::f g.root-servers.net. 3600000 IN A 192.112.36.4 h.root-servers.net. 3600000 IN A 128.63.2.53 h.root-servers.net. 3600000 IN AAAA 2001:500:1::803f:235 i.root-servers.net. 3600000 IN A 192.36.148.17 i.root-servers.net. 3600000 IN AAAA 2001:7fe::53
;; Query time: 4 msec ;; SERVER: 198.41.0.4#53(198.41.0.4) ;; WHEN: Thu Jan 12 10:02:07 2012 ;; MSG SIZE rcvd: 512
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