--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3911146409 dns-udp-queries-received-ipv6: 381690679 dns-tcp-queries-received-ipv4: 161846817 dns-tcp-queries-received-ipv6: 8958358 dns-udp-responses-sent-ipv4: 3909924183 dns-udp-responses-sent-ipv6: 381654344 dns-tcp-responses-sent-ipv4: 161617395 dns-tcp-responses-sent-ipv6: 9054996