--- service: j.root-servers.net start-period: '2015-11-27T00:00:00Z' end-period: '2015-11-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4074383490 dns-udp-queries-received-ipv6: 547314076 dns-tcp-queries-received-ipv4: 83667847 dns-tcp-queries-received-ipv6: 1838256 dns-udp-responses-sent-ipv4: 3916070725 dns-udp-responses-sent-ipv6: 552548639 dns-tcp-responses-sent-ipv4: 80863376 dns-tcp-responses-sent-ipv6: 324738