--- version: rssac002v4 service: j.root-servers.net start-period: '2022-02-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5817422313 dns-udp-queries-received-ipv6: 1360714967 dns-tcp-queries-received-ipv4: 435090871 dns-tcp-queries-received-ipv6: 61263135 dns-udp-responses-sent-ipv4: 5374281389 dns-udp-responses-sent-ipv6: 1343165837 dns-tcp-responses-sent-ipv4: 285426391 dns-tcp-responses-sent-ipv6: 60218648