--- service: j.root-servers.net start-period: '2014-01-02T00:00:00Z' end-period: '2014-01-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2832676094 dns-udp-queries-received-ipv6: 170114559 dns-tcp-queries-received-ipv4: 23274142 dns-tcp-queries-received-ipv6: 2656299 dns-udp-responses-sent-ipv4: 2826141472 dns-udp-responses-sent-ipv6: 170078427 dns-tcp-responses-sent-ipv4: 21552190 dns-tcp-responses-sent-ipv6: 174