--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-01T00:00:00Z' end-period: '2019-02-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7251960057 dns-udp-queries-received-ipv6: 1743410294 dns-tcp-queries-received-ipv4: 344336960 dns-tcp-queries-received-ipv6: 65004405 dns-udp-responses-sent-ipv4: 7255676205 dns-udp-responses-sent-ipv6: 1743269227 dns-tcp-responses-sent-ipv4: 343951078 dns-tcp-responses-sent-ipv6: 64962304