--- service: j.root-servers.net start-period: '2014-01-14T00:00:00Z' end-period: '2014-01-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2993067571 dns-udp-queries-received-ipv6: 181522514 dns-tcp-queries-received-ipv4: 24824043 dns-tcp-queries-received-ipv6: 4199966 dns-udp-responses-sent-ipv4: 2948431748 dns-udp-responses-sent-ipv6: 181409541 dns-tcp-responses-sent-ipv4: 22543640 dns-tcp-responses-sent-ipv6: 289