--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3532901850 dns-udp-queries-received-ipv6: 417259453 dns-tcp-queries-received-ipv4: 165016338 dns-tcp-queries-received-ipv6: 8235171 dns-udp-responses-sent-ipv4: 3532049389 dns-udp-responses-sent-ipv6: 417207842 dns-tcp-responses-sent-ipv4: 164974590 dns-tcp-responses-sent-ipv6: 8335699