--- service: j.root-servers.net start-period: '2014-12-04T00:00:00Z' end-period: '2014-12-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2986230640 dns-udp-queries-received-ipv6: 216815751 dns-tcp-queries-received-ipv4: 28263697 dns-tcp-queries-received-ipv6: 5721812 dns-udp-responses-sent-ipv4: 2973681379 dns-udp-responses-sent-ipv6: 216652000 dns-tcp-responses-sent-ipv4: 28164199 dns-tcp-responses-sent-ipv6: 4517828