--- version: rssac002v3 service: b.root-servers.net start-period: 2018-03-25T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 1959567119 dns-udp-queries-received-ipv6: 286044978 dns-tcp-queries-received-ipv4: 87228892 dns-tcp-queries-received-ipv6: 11904004 dns-udp-responses-sent-ipv4: 1896865738 dns-udp-responses-sent-ipv6: 285481395 dns-tcp-responses-sent-ipv4: 86747537 dns-tcp-responses-sent-ipv6: 11912081