--- service: j.root-servers.net start-period: '2013-12-06T00:00:00Z' end-period: '2013-12-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2463404781 dns-udp-queries-received-ipv6: 155270917 dns-tcp-queries-received-ipv4: 24280898 dns-tcp-queries-received-ipv6: 4001037 dns-udp-responses-sent-ipv4: 2456880676 dns-udp-responses-sent-ipv6: 155198481 dns-tcp-responses-sent-ipv4: 22552425 dns-tcp-responses-sent-ipv6: 131