--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5322028455 dns-udp-queries-received-ipv6: 1206938892 dns-tcp-queries-received-ipv4: 350842039 dns-tcp-queries-received-ipv6: 112920985 dns-udp-responses-sent-ipv4: 4974213800 dns-udp-responses-sent-ipv6: 1181116486 dns-tcp-responses-sent-ipv4: 243951677 dns-tcp-responses-sent-ipv6: 109279253