--- service: j.root-servers.net start-period: '2014-03-23T00:00:00Z' end-period: '2014-03-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2637352622 dns-udp-queries-received-ipv6: 199178221 dns-tcp-queries-received-ipv4: 23021269 dns-tcp-queries-received-ipv6: 2804987 dns-udp-responses-sent-ipv4: 2555962535 dns-udp-responses-sent-ipv6: 199078944 dns-tcp-responses-sent-ipv4: 21189850 dns-tcp-responses-sent-ipv6: 211