--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3979153769 dns-udp-queries-received-ipv6: 461518071 dns-tcp-queries-received-ipv4: 194535549 dns-tcp-queries-received-ipv6: 11410469 dns-udp-responses-sent-ipv4: 3977377466 dns-udp-responses-sent-ipv6: 461497255 dns-tcp-responses-sent-ipv4: 194792375 dns-tcp-responses-sent-ipv6: 11523658