--- service: j.root-servers.net start-period: '2014-02-09T00:00:00Z' end-period: '2014-02-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2824207992 dns-udp-queries-received-ipv6: 181845016 dns-tcp-queries-received-ipv4: 27754866 dns-tcp-queries-received-ipv6: 3991824 dns-udp-responses-sent-ipv4: 2816019221 dns-udp-responses-sent-ipv6: 181842460 dns-tcp-responses-sent-ipv4: 23255188 dns-tcp-responses-sent-ipv6: 341