--- service: i.root-servers.net start-period: '2014-02-25T00:00:00Z' end-period: '2014-02-26T00:04:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2641050589 dns-udp-queries-received-ipv6: 181454407 dns-tcp-queries-received-ipv4: 5356845 dns-tcp-queries-received-ipv6: 279119 dns-udp-responses-sent-ipv4: 2583506523 dns-udp-responses-sent-ipv6: 181573476 dns-tcp-responses-sent-ipv4: 5382484 dns-tcp-responses-sent-ipv6: 281374