--- version: rssac002v3 service: a.root-servers.net start-period: '2020-09-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7851394446 dns-udp-queries-received-ipv6: 1375857529 dns-tcp-queries-received-ipv4: 324145280 dns-tcp-queries-received-ipv6: 106440413 dns-udp-responses-sent-ipv4: 7621008965 dns-udp-responses-sent-ipv6: 1373613643 dns-tcp-responses-sent-ipv4: 307253489 dns-tcp-responses-sent-ipv6: 106786860