--- version: rssac002v3 service: a.root-servers.net start-period: '2021-02-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5990685025 dns-udp-queries-received-ipv6: 1240360729 dns-tcp-queries-received-ipv4: 300909576 dns-tcp-queries-received-ipv6: 110456849 dns-udp-responses-sent-ipv4: 5798773834 dns-udp-responses-sent-ipv6: 1238934544 dns-tcp-responses-sent-ipv4: 289538534 dns-tcp-responses-sent-ipv6: 110856133