--- service: j.root-servers.net start-period: '2015-03-11T00:00:00Z' end-period: '2015-03-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3182402577 dns-udp-queries-received-ipv6: 342146020 dns-tcp-queries-received-ipv4: 24796077 dns-tcp-queries-received-ipv6: 5068106 dns-udp-responses-sent-ipv4: 3214705033 dns-udp-responses-sent-ipv6: 341995166 dns-tcp-responses-sent-ipv4: 24876296 dns-tcp-responses-sent-ipv6: 4204085