--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-01T00:00:00Z' end-period: '2018-04-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3336473058 dns-udp-queries-received-ipv6: 516050055 dns-tcp-queries-received-ipv4: 93982294 dns-tcp-queries-received-ipv6: 13732988 dns-udp-responses-sent-ipv4: 3336188817 dns-udp-responses-sent-ipv6: 515921419 dns-tcp-responses-sent-ipv4: 93959597 dns-tcp-responses-sent-ipv6: 13732470