--- service: j.root-servers.net start-period: '2015-04-06T00:00:00Z' end-period: '2015-04-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3276825766 dns-udp-queries-received-ipv6: 311832634 dns-tcp-queries-received-ipv4: 26788142 dns-tcp-queries-received-ipv6: 6589367 dns-udp-responses-sent-ipv4: 3223771453 dns-udp-responses-sent-ipv6: 311804041 dns-tcp-responses-sent-ipv4: 26397463 dns-tcp-responses-sent-ipv6: 3889902