--- service: j.root-servers.net start-period: '2013-11-29T00:00:00Z' end-period: '2013-11-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2269243689 dns-udp-queries-received-ipv6: 141502329 dns-tcp-queries-received-ipv4: 26446931 dns-tcp-queries-received-ipv6: 4026244 dns-udp-responses-sent-ipv4: 2261126466 dns-udp-responses-sent-ipv6: 141486553 dns-tcp-responses-sent-ipv4: 21411783 dns-tcp-responses-sent-ipv6: 1034