--- service: j.root-servers.net start-period: '2013-11-21T00:00:00Z' end-period: '2013-11-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2361154482 dns-udp-queries-received-ipv6: 150581485 dns-tcp-queries-received-ipv4: 22488914 dns-tcp-queries-received-ipv6: 3987623 dns-udp-responses-sent-ipv4: 2353106657 dns-udp-responses-sent-ipv6: 150545280 dns-tcp-responses-sent-ipv4: 21276998 dns-tcp-responses-sent-ipv6: 88718