--- service: j.root-servers.net start-period: '2014-02-27T00:00:00Z' end-period: '2014-02-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2098877651 dns-udp-queries-received-ipv6: 203320404 dns-tcp-queries-received-ipv4: 16488796 dns-tcp-queries-received-ipv6: 4634080 dns-udp-responses-sent-ipv4: 2085360494 dns-udp-responses-sent-ipv6: 203181811 dns-tcp-responses-sent-ipv4: 15005937 dns-tcp-responses-sent-ipv6: 177