--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-02-27T00:00:00Z' dns-udp-queries-received-ipv4: 2064492862 dns-udp-queries-received-ipv6: 521574631 dns-tcp-queries-received-ipv4: 1234550 dns-tcp-queries-received-ipv6: 4106030 dns-udp-responses-sent-ipv4: 2058307926 dns-udp-responses-sent-ipv6: 522177704 dns-tcp-responses-sent-ipv4: 367052 dns-tcp-responses-sent-ipv6: 3664896