--- service: j.root-servers.net start-period: '2015-02-17T00:00:00Z' end-period: '2015-02-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3009997593 dns-udp-queries-received-ipv6: 290810455 dns-tcp-queries-received-ipv4: 26215448 dns-tcp-queries-received-ipv6: 4105266 dns-udp-responses-sent-ipv4: 3004201749 dns-udp-responses-sent-ipv6: 290805779 dns-tcp-responses-sent-ipv4: 25850780 dns-tcp-responses-sent-ipv6: 3413930