--- service: j.root-servers.net start-period: '2014-09-11T00:00:00Z' end-period: '2014-09-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3895116663 dns-udp-queries-received-ipv6: 249608373 dns-tcp-queries-received-ipv4: 28710781 dns-tcp-queries-received-ipv6: 3275925 dns-udp-responses-sent-ipv4: 3886789741 dns-udp-responses-sent-ipv6: 249275258 dns-tcp-responses-sent-ipv4: 29261967 dns-tcp-responses-sent-ipv6: 2540900