--- service: i.root-servers.net start-period: '2014-08-28T10:46:25Z' end-period: '2014-08-29T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1441947279 dns-udp-queries-received-ipv6: 116838225 dns-tcp-queries-received-ipv4: 3640625 dns-tcp-queries-received-ipv6: 139575 dns-udp-responses-sent-ipv4: 1413350554 dns-udp-responses-sent-ipv6: 119461591 dns-tcp-responses-sent-ipv4: 3445365 dns-tcp-responses-sent-ipv6: 138919