--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-18T00:00:00Z' end-period: '2019-03-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7785545330 dns-udp-queries-received-ipv6: 1821745319 dns-tcp-queries-received-ipv4: 410038281 dns-tcp-queries-received-ipv6: 39460830 dns-udp-responses-sent-ipv4: 7785532781 dns-udp-responses-sent-ipv6: 1821632956 dns-tcp-responses-sent-ipv4: 409710514 dns-tcp-responses-sent-ipv6: 39419156