--- service: j.root-servers.net start-period: '2015-12-03T00:00:00Z' end-period: '2015-12-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4611536597 dns-udp-queries-received-ipv6: 539939256 dns-tcp-queries-received-ipv4: 114645853 dns-tcp-queries-received-ipv6: 2064767 dns-udp-responses-sent-ipv4: 4340591523 dns-udp-responses-sent-ipv6: 545263578 dns-tcp-responses-sent-ipv4: 102402836 dns-tcp-responses-sent-ipv6: 312361