--- service: j.root-servers.net start-period: '2014-09-12T00:00:00Z' end-period: '2014-09-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3966388123 dns-udp-queries-received-ipv6: 263154919 dns-tcp-queries-received-ipv4: 31249260 dns-tcp-queries-received-ipv6: 3252250 dns-udp-responses-sent-ipv4: 3980375456 dns-udp-responses-sent-ipv6: 232982039 dns-tcp-responses-sent-ipv4: 31812579 dns-tcp-responses-sent-ipv6: 2430645