--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3514089917 dns-udp-queries-received-ipv6: 417233030 dns-tcp-queries-received-ipv4: 133326695 dns-tcp-queries-received-ipv6: 12043149 dns-udp-responses-sent-ipv4: 3511223460 dns-udp-responses-sent-ipv6: 417213268 dns-tcp-responses-sent-ipv4: 133200141 dns-tcp-responses-sent-ipv6: 12153976