--- service: j.root-servers.net start-period: '2015-10-23T00:00:00Z' end-period: '2015-10-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4294158932 dns-udp-queries-received-ipv6: 5781952 dns-tcp-queries-received-ipv4: 67781697 dns-tcp-queries-received-ipv6: 3902430 dns-udp-responses-sent-ipv4: 4174693142 dns-udp-responses-sent-ipv6: 5201549 dns-tcp-responses-sent-ipv4: 65744278 dns-tcp-responses-sent-ipv6: 3907966