--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4232592332 dns-udp-queries-received-ipv6: 381193001 dns-tcp-queries-received-ipv4: 163520068 dns-tcp-queries-received-ipv6: 7921415 dns-udp-responses-sent-ipv4: 4231381856 dns-udp-responses-sent-ipv6: 381137315 dns-tcp-responses-sent-ipv4: 163345046 dns-tcp-responses-sent-ipv6: 8007429