--- service: j.root-servers.net start-period: '2014-09-16T00:00:00Z' end-period: '2014-09-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3324746787 dns-udp-queries-received-ipv6: 192707964 dns-tcp-queries-received-ipv4: 24920875 dns-tcp-queries-received-ipv6: 2037064 dns-udp-responses-sent-ipv4: 3322073756 dns-udp-responses-sent-ipv6: 192209666 dns-tcp-responses-sent-ipv4: 25567781 dns-tcp-responses-sent-ipv6: 1620327