--- service: j.root-servers.net start-period: '2015-07-24T00:00:00Z' end-period: '2015-07-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4373400336 dns-udp-queries-received-ipv6: 295527433 dns-tcp-queries-received-ipv4: 33638245 dns-tcp-queries-received-ipv6: 26245936 dns-udp-responses-sent-ipv4: 3750864595 dns-udp-responses-sent-ipv6: 295802319 dns-tcp-responses-sent-ipv4: 33016766 dns-tcp-responses-sent-ipv6: 24752494