--- service: i.root-servers.net start-period: '2014-05-27T00:00:00Z' end-period: '2014-05-28T00:00:06Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2844184190 dns-udp-queries-received-ipv6: 251272788 dns-tcp-queries-received-ipv4: 6591939 dns-tcp-queries-received-ipv6: 235514 dns-udp-responses-sent-ipv4: 2783697219 dns-udp-responses-sent-ipv6: 250866847 dns-tcp-responses-sent-ipv4: 6769003 dns-tcp-responses-sent-ipv6: 238908