--- service: i.root-servers.net start-period: '2014-10-13T00:00:00Z' end-period: '2014-10-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2965606820 dns-udp-queries-received-ipv6: 208685999 dns-tcp-queries-received-ipv4: 7331286 dns-tcp-queries-received-ipv6: 236497 dns-udp-responses-sent-ipv4: 2911743228 dns-udp-responses-sent-ipv6: 212209388 dns-tcp-responses-sent-ipv4: 7415634 dns-tcp-responses-sent-ipv6: 235635