--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7299836822 dns-udp-queries-received-ipv6: 1104974718 dns-tcp-queries-received-ipv4: 317628190 dns-tcp-queries-received-ipv6: 76976777 dns-udp-responses-sent-ipv4: 7070382008 dns-udp-responses-sent-ipv6: 1102663194 dns-tcp-responses-sent-ipv4: 311714146 dns-tcp-responses-sent-ipv6: 77332738