--- version: rssac002v3 service: a.root-servers.net start-period: '2020-09-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8204255588 dns-udp-queries-received-ipv6: 1939510608 dns-tcp-queries-received-ipv4: 319373673 dns-tcp-queries-received-ipv6: 138593530 dns-udp-responses-sent-ipv4: 7981954909 dns-udp-responses-sent-ipv6: 1943230414 dns-tcp-responses-sent-ipv4: 302182450 dns-tcp-responses-sent-ipv6: 139630596