--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3550850461 dns-udp-queries-received-ipv6: 365289817 dns-tcp-queries-received-ipv4: 135368281 dns-tcp-queries-received-ipv6: 8272724 dns-udp-responses-sent-ipv4: 3549548104 dns-udp-responses-sent-ipv6: 365277656 dns-tcp-responses-sent-ipv4: 135623292 dns-tcp-responses-sent-ipv6: 8378747