--- service: j.root-servers.net start-period: '2014-02-07T00:00:00Z' end-period: '2014-02-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2898634636 dns-udp-queries-received-ipv6: 170832239 dns-tcp-queries-received-ipv4: 25096853 dns-tcp-queries-received-ipv6: 3955998 dns-udp-responses-sent-ipv4: 2889024901 dns-udp-responses-sent-ipv6: 170832169 dns-tcp-responses-sent-ipv4: 23369431 dns-tcp-responses-sent-ipv6: 1341