--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6341301729 dns-udp-queries-received-ipv6: 1505997572 dns-tcp-queries-received-ipv4: 424238971 dns-tcp-queries-received-ipv6: 84382646 dns-udp-responses-sent-ipv4: 5930788928 dns-udp-responses-sent-ipv6: 1498164090 dns-tcp-responses-sent-ipv4: 291109694 dns-tcp-responses-sent-ipv6: 83956710