--- service: j.root-servers.net start-period: '2013-11-27T00:00:00Z' end-period: '2013-11-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2444007561 dns-udp-queries-received-ipv6: 150251220 dns-tcp-queries-received-ipv4: 25590126 dns-tcp-queries-received-ipv6: 4060077 dns-udp-responses-sent-ipv4: 2436275575 dns-udp-responses-sent-ipv6: 150237421 dns-tcp-responses-sent-ipv4: 23860788 dns-tcp-responses-sent-ipv6: 878