--- service: j.root-servers.net start-period: '2015-03-02T00:00:00Z' end-period: '2015-03-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2943000782 dns-udp-queries-received-ipv6: 314853545 dns-tcp-queries-received-ipv4: 23658737 dns-tcp-queries-received-ipv6: 3784023 dns-udp-responses-sent-ipv4: 2940650009 dns-udp-responses-sent-ipv6: 314832975 dns-tcp-responses-sent-ipv4: 23775950 dns-tcp-responses-sent-ipv6: 3482622