--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3985881534 dns-udp-queries-received-ipv6: 565351223 dns-tcp-queries-received-ipv4: 111361003 dns-tcp-queries-received-ipv6: 20112666 dns-udp-responses-sent-ipv4: 3888307070 dns-udp-responses-sent-ipv6: 564760393 dns-tcp-responses-sent-ipv4: 107518261 dns-tcp-responses-sent-ipv6: 20129745