--- service: j.root-servers.net start-period: '2013-10-07T00:00:00Z' end-period: '2013-10-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1936845719 dns-udp-queries-received-ipv6: 134362587 dns-tcp-queries-received-ipv4: 16407749 dns-tcp-queries-received-ipv6: 2161747 dns-udp-responses-sent-ipv4: 1929863473 dns-udp-responses-sent-ipv6: 134447135 dns-tcp-responses-sent-ipv4: 15509349 dns-tcp-responses-sent-ipv6: 80537