--- service: i.root-servers.net start-period: '2015-10-25T00:00:00Z' end-period: '2015-10-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3728605396 dns-udp-queries-received-ipv6: 313653884 dns-tcp-queries-received-ipv4: 13993808 dns-tcp-queries-received-ipv6: 497186 dns-udp-responses-sent-ipv4: 3683734160 dns-udp-responses-sent-ipv6: 313593444 dns-tcp-responses-sent-ipv4: 13982899 dns-tcp-responses-sent-ipv6: 504553