--- version: rssac002v4 service: j.root-servers.net start-period: '2022-02-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6160263540 dns-udp-queries-received-ipv6: 1486893463 dns-tcp-queries-received-ipv4: 408398295 dns-tcp-queries-received-ipv6: 84250856 dns-udp-responses-sent-ipv4: 5667121744 dns-udp-responses-sent-ipv6: 1459814808 dns-tcp-responses-sent-ipv4: 289708908 dns-tcp-responses-sent-ipv6: 82730420