--- service: j.root-servers.net start-period: '2015-10-02T00:00:00Z' end-period: '2015-10-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4014776948 dns-udp-queries-received-ipv6: 498565338 dns-tcp-queries-received-ipv4: 65503892 dns-tcp-queries-received-ipv6: 19200548 dns-udp-responses-sent-ipv4: 3962435143 dns-udp-responses-sent-ipv6: 498842605 dns-tcp-responses-sent-ipv4: 64486100 dns-tcp-responses-sent-ipv6: 17432847