--- service: j.root-servers.net start-period: '2014-09-09T00:00:00Z' end-period: '2014-09-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4010727133 dns-udp-queries-received-ipv6: 242348360 dns-tcp-queries-received-ipv4: 30532290 dns-tcp-queries-received-ipv6: 3220902 dns-udp-responses-sent-ipv4: 4000853069 dns-udp-responses-sent-ipv6: 241991041 dns-tcp-responses-sent-ipv4: 31029388 dns-tcp-responses-sent-ipv6: 2542028