--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4243687330 dns-udp-queries-received-ipv6: 414953459 dns-tcp-queries-received-ipv4: 148250830 dns-tcp-queries-received-ipv6: 9518928 dns-udp-responses-sent-ipv4: 4240722361 dns-udp-responses-sent-ipv6: 414920755 dns-tcp-responses-sent-ipv4: 148323669 dns-tcp-responses-sent-ipv6: 9629898