--- version: rssac002v3 service: a.root-servers.net start-period: '2020-12-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8064987986 dns-udp-queries-received-ipv6: 1678648371 dns-tcp-queries-received-ipv4: 319184926 dns-tcp-queries-received-ipv6: 160121371 dns-udp-responses-sent-ipv4: 7852958026 dns-udp-responses-sent-ipv6: 1677052273 dns-tcp-responses-sent-ipv4: 305453235 dns-tcp-responses-sent-ipv6: 163445059