--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-01T00:00:00Z' end-period: '2018-07-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4220744771 dns-udp-queries-received-ipv6: 595975604 dns-tcp-queries-received-ipv4: 166450403 dns-tcp-queries-received-ipv6: 16671817 dns-udp-responses-sent-ipv4: 4220219177 dns-udp-responses-sent-ipv6: 595775826 dns-tcp-responses-sent-ipv4: 166402850 dns-tcp-responses-sent-ipv6: 16668987