--- service: j.root-servers.net start-period: '2015-03-30T00:00:00Z' end-period: '2015-03-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3368350006 dns-udp-queries-received-ipv6: 326291700 dns-tcp-queries-received-ipv4: 25905806 dns-tcp-queries-received-ipv6: 4617283 dns-udp-responses-sent-ipv4: 3382570094 dns-udp-responses-sent-ipv6: 326256096 dns-tcp-responses-sent-ipv4: 25713693 dns-tcp-responses-sent-ipv6: 3824794