--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5586236836 dns-udp-queries-received-ipv6: 504188472 dns-tcp-queries-received-ipv4: 230780675 dns-tcp-queries-received-ipv6: 8945317 dns-udp-responses-sent-ipv4: 5574057599 dns-udp-responses-sent-ipv6: 504002602 dns-tcp-responses-sent-ipv4: 230636145 dns-tcp-responses-sent-ipv6: 9082169