--- service: j.root-servers.net start-period: '2015-05-27T00:00:00Z' end-period: '2015-05-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3475346954 dns-udp-queries-received-ipv6: 315654799 dns-tcp-queries-received-ipv4: 33035211 dns-tcp-queries-received-ipv6: 6648110 dns-udp-responses-sent-ipv4: 3414557849 dns-udp-responses-sent-ipv6: 315541484 dns-tcp-responses-sent-ipv4: 32328184 dns-tcp-responses-sent-ipv6: 4000643