--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6722141984 dns-udp-queries-received-ipv6: 1401013426 dns-tcp-queries-received-ipv4: 647455588 dns-tcp-queries-received-ipv6: 152665678 dns-udp-responses-sent-ipv4: 5794160794 dns-udp-responses-sent-ipv6: 1299176562 dns-tcp-responses-sent-ipv4: 583673449 dns-tcp-responses-sent-ipv6: 147946299