--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3625259843 dns-udp-queries-received-ipv6: 425769861 dns-tcp-queries-received-ipv4: 126445790 dns-tcp-queries-received-ipv6: 10981049 dns-udp-responses-sent-ipv4: 3622808354 dns-udp-responses-sent-ipv6: 425719978 dns-tcp-responses-sent-ipv4: 126346545 dns-tcp-responses-sent-ipv6: 11072005