--- service: j.root-servers.net start-period: '2015-03-25T00:00:00Z' end-period: '2015-03-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3671099669 dns-udp-queries-received-ipv6: 373169289 dns-tcp-queries-received-ipv4: 37486244 dns-tcp-queries-received-ipv6: 5103945 dns-udp-responses-sent-ipv4: 3683291365 dns-udp-responses-sent-ipv6: 372986230 dns-tcp-responses-sent-ipv4: 36791466 dns-tcp-responses-sent-ipv6: 3865930