--- service: j.root-servers.net start-period: '2014-04-17T00:00:00Z' end-period: '2014-04-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2849384736 dns-udp-queries-received-ipv6: 221538027 dns-tcp-queries-received-ipv4: 23000113 dns-tcp-queries-received-ipv6: 4786676 dns-udp-responses-sent-ipv4: 2840860542 dns-udp-responses-sent-ipv6: 221375020 dns-tcp-responses-sent-ipv4: 22092256 dns-tcp-responses-sent-ipv6: 188