--- service: j.root-servers.net start-period: '2014-12-07T00:00:00Z' end-period: '2014-12-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2578329128 dns-udp-queries-received-ipv6: 218243499 dns-tcp-queries-received-ipv4: 25664202 dns-tcp-queries-received-ipv6: 4225204 dns-udp-responses-sent-ipv4: 2570127847 dns-udp-responses-sent-ipv6: 218055893 dns-tcp-responses-sent-ipv4: 25566192 dns-tcp-responses-sent-ipv6: 3624190