--- version: rssac002v3 service: d.root-servers.net start-period: '2017-02-19T00:00:00Z' end-period: '2017-02-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4111229430 dns-udp-queries-received-ipv6: 696789846 dns-tcp-queries-received-ipv4: 64236792 dns-tcp-queries-received-ipv6: 7278282 dns-udp-responses-sent-ipv4: 4099630285 dns-udp-responses-sent-ipv6: 696719811 dns-tcp-responses-sent-ipv4: 64113324 dns-tcp-responses-sent-ipv6: 7278219