--- service: j.root-servers.net start-period: '2014-07-09T00:00:00Z' end-period: '2014-07-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5533102299 dns-udp-queries-received-ipv6: 262736753 dns-tcp-queries-received-ipv4: 72232680 dns-tcp-queries-received-ipv6: 3768982 dns-udp-responses-sent-ipv4: 5560917175 dns-udp-responses-sent-ipv6: 262440600 dns-tcp-responses-sent-ipv4: 74197836 dns-tcp-responses-sent-ipv6: 2599691