root-servers.org

Anchor text: Root Server Technical Operations Association

Wikipedia: Root name server

Anchor text: Root-servers.org homepage

Wikipedia: Root name server

Anchor text: root-servers.org

Wikipedia: DNS root zone

Wikipedia: DNS root zone

Anchor text: Events of 2015-11-30

Wikipedia: Distributed denial-of-service attacks on root nameservers

Anchor text: Root Server Technical Operations Assn

Wikipedia: RIPE NCC

Anchor text: seventy-odd

Wikipedia: Wikipedia:Reference desk/Archives/Computing/2007 November 16

Anchor text: there are currently 243 root nameservers

Wikipedia: Wikipedia:Reference desk/Archives/Computing/2010 December 9