--- service: j.root-servers.net start-period: '2013-12-05T00:00:00Z' end-period: '2013-12-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2542908655 dns-udp-queries-received-ipv6: 153358024 dns-tcp-queries-received-ipv4: 27202150 dns-tcp-queries-received-ipv6: 4054422 dns-udp-responses-sent-ipv4: 2536805938 dns-udp-responses-sent-ipv6: 153289195 dns-tcp-responses-sent-ipv4: 23122249 dns-tcp-responses-sent-ipv6: 704