--- version: rssac002v3 service: b.root-servers.net start-period: 2017-04-12T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2337303194 dns-udp-queries-received-ipv6: 376630333 dns-tcp-queries-received-ipv4: 63240348 dns-tcp-queries-received-ipv6: 6967951 dns-udp-responses-sent-ipv4: 2255389319 dns-udp-responses-sent-ipv6: 376073537 dns-tcp-responses-sent-ipv4: 63220945 dns-tcp-responses-sent-ipv6: 6963417