--- service: i.root-servers.net start-period: '2014-05-25T00:00:00Z' end-period: '2014-05-26T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2334094309 dns-udp-queries-received-ipv6: 227795175 dns-tcp-queries-received-ipv4: 5860446 dns-tcp-queries-received-ipv6: 215932 dns-udp-responses-sent-ipv4: 2284001631 dns-udp-responses-sent-ipv6: 227183989 dns-tcp-responses-sent-ipv4: 6055230 dns-tcp-responses-sent-ipv6: 218244