--- service: i.root-servers.net start-period: '2014-05-23T00:00:00Z' end-period: '2014-05-24T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2770172647 dns-udp-queries-received-ipv6: 222113694 dns-tcp-queries-received-ipv4: 6401108 dns-tcp-queries-received-ipv6: 228363 dns-udp-responses-sent-ipv4: 2708856489 dns-udp-responses-sent-ipv6: 221994002 dns-tcp-responses-sent-ipv4: 6608033 dns-tcp-responses-sent-ipv6: 231988