--- service: j.root-servers.net start-period: '2014-07-13T00:00:00Z' end-period: '2014-07-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4645585172 dns-udp-queries-received-ipv6: 221510419 dns-tcp-queries-received-ipv4: 61254121 dns-tcp-queries-received-ipv6: 5039679 dns-udp-responses-sent-ipv4: 4676197446 dns-udp-responses-sent-ipv6: 221401106 dns-tcp-responses-sent-ipv4: 61051580 dns-tcp-responses-sent-ipv6: 2596402