--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6450982530 dns-udp-queries-received-ipv6: 1309256940 dns-tcp-queries-received-ipv4: 228193499 dns-tcp-queries-received-ipv6: 72006365 dns-udp-responses-sent-ipv4: 6279435549 dns-udp-responses-sent-ipv6: 1309001570 dns-tcp-responses-sent-ipv4: 225088446 dns-tcp-responses-sent-ipv6: 72392243