What F-Root is
F-Root is the root server identity f.root-servers.net. It is one of the 13 named authorities for the DNS root zone, is operated by the Internet Systems Consortium, Inc., and is served from 386 published locations using the same root-service addresses — the largest deployment of any root server.
Global service386 published sites — largest root server deployment
Root authorityAnswers authoritative queries for the root zone
Anycast deliveryOne service identity announced from many sites