--- version: rssac002v3 service: b.root-servers.net start-period: 2018-02-01T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2630849683 dns-udp-queries-received-ipv6: 342042192 dns-tcp-queries-received-ipv4: 97429029 dns-tcp-queries-received-ipv6: 11709980 dns-udp-responses-sent-ipv4: 2559980874 dns-udp-responses-sent-ipv6: 341601402 dns-tcp-responses-sent-ipv4: 97400559 dns-tcp-responses-sent-ipv6: 11719682