--- version: rssac002v3 service: b.root-servers.net start-period: 2018-05-23T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2366971787 dns-udp-queries-received-ipv6: 190227555 dns-tcp-queries-received-ipv4: 83668105 dns-tcp-queries-received-ipv6: 6468693 dns-udp-responses-sent-ipv4: 2288649299 dns-udp-responses-sent-ipv6: 190181406 dns-tcp-responses-sent-ipv4: 83526471 dns-tcp-responses-sent-ipv6: 6473076