--- service: j.root-servers.net start-period: '2014-01-31T00:00:00Z' end-period: '2014-01-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2636395164 dns-udp-queries-received-ipv6: 158645133 dns-tcp-queries-received-ipv4: 23281147 dns-tcp-queries-received-ipv6: 3972937 dns-udp-responses-sent-ipv4: 2627678586 dns-udp-responses-sent-ipv6: 158537437 dns-tcp-responses-sent-ipv4: 21551951 dns-tcp-responses-sent-ipv6: 180