--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-08T00:00:00Z' end-period: '2019-01-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6384303691 dns-udp-queries-received-ipv6: 1491766527 dns-tcp-queries-received-ipv4: 393373593 dns-tcp-queries-received-ipv6: 52488831 dns-udp-responses-sent-ipv4: 6384280952 dns-udp-responses-sent-ipv6: 1491631943 dns-tcp-responses-sent-ipv4: 393001625 dns-tcp-responses-sent-ipv6: 52452610