--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6239792759 dns-udp-queries-received-ipv6: 1438714094 dns-tcp-queries-received-ipv4: 412603375 dns-tcp-queries-received-ipv6: 62354879 dns-udp-responses-sent-ipv4: 5824426627 dns-udp-responses-sent-ipv6: 1431587306 dns-tcp-responses-sent-ipv4: 277274701 dns-tcp-responses-sent-ipv6: 62192669