--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6442815373 dns-udp-queries-received-ipv6: 1404010820 dns-tcp-queries-received-ipv4: 214408419 dns-tcp-queries-received-ipv6: 66449680 dns-udp-responses-sent-ipv4: 6265234361 dns-udp-responses-sent-ipv6: 1402876437 dns-tcp-responses-sent-ipv4: 210851454 dns-tcp-responses-sent-ipv6: 66793719