--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3666615829 dns-udp-queries-received-ipv6: 371038351 dns-tcp-queries-received-ipv4: 93717375 dns-tcp-queries-received-ipv6: 13047705 dns-udp-responses-sent-ipv4: 3664619552 dns-udp-responses-sent-ipv6: 371000256 dns-tcp-responses-sent-ipv4: 94088362 dns-tcp-responses-sent-ipv6: 13143661