--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3851515578 dns-udp-queries-received-ipv6: 382079534 dns-tcp-queries-received-ipv4: 140233468 dns-tcp-queries-received-ipv6: 10311603 dns-udp-responses-sent-ipv4: 3847402271 dns-udp-responses-sent-ipv6: 382065908 dns-tcp-responses-sent-ipv4: 140379711 dns-tcp-responses-sent-ipv6: 10338952