--- service: j.root-servers.net start-period: '2014-04-11T00:00:00Z' end-period: '2014-04-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2680700141 dns-udp-queries-received-ipv6: 224151325 dns-tcp-queries-received-ipv4: 21084224 dns-tcp-queries-received-ipv6: 3896983 dns-udp-responses-sent-ipv4: 2643932460 dns-udp-responses-sent-ipv6: 224049699 dns-tcp-responses-sent-ipv4: 19266647 dns-tcp-responses-sent-ipv6: 218