--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-02-16T00:00:00Z' dns-udp-queries-received-ipv4: 2098707124 dns-udp-queries-received-ipv6: 527138518 dns-tcp-queries-received-ipv4: 1347769 dns-tcp-queries-received-ipv6: 4364514 dns-udp-responses-sent-ipv4: 2096058243 dns-udp-responses-sent-ipv6: 527644193 dns-tcp-responses-sent-ipv4: 324263 dns-tcp-responses-sent-ipv6: 3908590