--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6493446510 dns-udp-queries-received-ipv6: 1310924655 dns-tcp-queries-received-ipv4: 219195236 dns-tcp-queries-received-ipv6: 71871431 dns-udp-responses-sent-ipv4: 6323058643 dns-udp-responses-sent-ipv6: 1310316857 dns-tcp-responses-sent-ipv4: 216148976 dns-tcp-responses-sent-ipv6: 72158950