--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3947166068 dns-udp-queries-received-ipv6: 433912361 dns-tcp-queries-received-ipv4: 176975719 dns-tcp-queries-received-ipv6: 12023322 dns-udp-responses-sent-ipv4: 3943745455 dns-udp-responses-sent-ipv6: 433869627 dns-tcp-responses-sent-ipv4: 176778064 dns-tcp-responses-sent-ipv6: 12119519