--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3837983399 dns-udp-queries-received-ipv6: 396193940 dns-tcp-queries-received-ipv4: 147931392 dns-tcp-queries-received-ipv6: 9763982 dns-udp-responses-sent-ipv4: 3835965683 dns-udp-responses-sent-ipv6: 396169846 dns-tcp-responses-sent-ipv4: 148035212 dns-tcp-responses-sent-ipv6: 9889893