--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3737167914 dns-udp-queries-received-ipv6: 379177307 dns-tcp-queries-received-ipv4: 150255980 dns-tcp-queries-received-ipv6: 8432337 dns-udp-responses-sent-ipv4: 3736128091 dns-udp-responses-sent-ipv6: 379167235 dns-tcp-responses-sent-ipv4: 150202533 dns-tcp-responses-sent-ipv6: 8568294