--- version: rssac002v3 service: b.root-servers.net start-period: 2019-02-14T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 3610120003 dns-udp-queries-received-ipv6: 510053440 dns-tcp-queries-received-ipv4: 190206076 dns-tcp-queries-received-ipv6: 23443740 dns-udp-responses-sent-ipv4: 3394537444 dns-udp-responses-sent-ipv6: 510069908 dns-tcp-responses-sent-ipv4: 189997535 dns-tcp-responses-sent-ipv6: 23430262