--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5542398473 dns-udp-queries-received-ipv6: 1059165659 dns-tcp-queries-received-ipv4: 489798549 dns-tcp-queries-received-ipv6: 122182068 dns-udp-responses-sent-ipv4: 4744864319 dns-udp-responses-sent-ipv6: 950254009 dns-tcp-responses-sent-ipv4: 448401192 dns-tcp-responses-sent-ipv6: 117845325