--- service: j.root-servers.net start-period: '2015-10-06T00:00:00Z' end-period: '2015-10-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4083956817 dns-udp-queries-received-ipv6: 515088986 dns-tcp-queries-received-ipv4: 67503394 dns-tcp-queries-received-ipv6: 17951357 dns-udp-responses-sent-ipv4: 4034843623 dns-udp-responses-sent-ipv6: 515353614 dns-tcp-responses-sent-ipv4: 65895731 dns-tcp-responses-sent-ipv6: 15953263