--- service: j.root-servers.net start-period: '2016-09-22T00:00:00Z' end-period: '2016-09-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6402700504 dns-udp-queries-received-ipv6: 695807005 dns-tcp-queries-received-ipv4: 148434055 dns-tcp-queries-received-ipv6: 4810108 dns-udp-responses-sent-ipv4: 6278618607 dns-udp-responses-sent-ipv6: 697306391 dns-tcp-responses-sent-ipv4: 123794549 dns-tcp-responses-sent-ipv6: 3230203