--- version: rssac002v3 service: b.root-servers.net start-period: 2016-06-19T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 1996906897 dns-udp-queries-received-ipv6: 294786243 dns-tcp-queries-received-ipv4: 32609518 dns-tcp-queries-received-ipv6: 5976156 dns-udp-responses-sent-ipv4: 1963348107 dns-udp-responses-sent-ipv6: 287209497 dns-tcp-responses-sent-ipv4: 32419838 dns-tcp-responses-sent-ipv6: 5976173