--- service: j.root-servers.net start-period: '2014-12-12T00:00:00Z' end-period: '2014-12-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2869360315 dns-udp-queries-received-ipv6: 229408957 dns-tcp-queries-received-ipv4: 26577424 dns-tcp-queries-received-ipv6: 4601777 dns-udp-responses-sent-ipv4: 2863485847 dns-udp-responses-sent-ipv6: 229364708 dns-tcp-responses-sent-ipv4: 26545918 dns-tcp-responses-sent-ipv6: 3679848