--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-16T00:00:00Z' end-period: '2018-05-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4525210320 dns-udp-queries-received-ipv6: 668538689 dns-tcp-queries-received-ipv4: 111964459 dns-tcp-queries-received-ipv6: 17068824 dns-udp-responses-sent-ipv4: 4525265294 dns-udp-responses-sent-ipv6: 668467331 dns-tcp-responses-sent-ipv4: 111937702 dns-tcp-responses-sent-ipv6: 17066882