--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3843539178 dns-udp-queries-received-ipv6: 367778817 dns-tcp-queries-received-ipv4: 84802084 dns-tcp-queries-received-ipv6: 13103156 dns-udp-responses-sent-ipv4: 3841243559 dns-udp-responses-sent-ipv6: 367751607 dns-tcp-responses-sent-ipv4: 85023363 dns-tcp-responses-sent-ipv6: 13193066