--- service: i.root-servers.net start-period: '2014-04-24T00:00:00Z' end-period: '2014-04-25T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2913132481 dns-udp-queries-received-ipv6: 185821856 dns-tcp-queries-received-ipv4: 5501784 dns-tcp-queries-received-ipv6: 275265 dns-udp-responses-sent-ipv4: 2854023592 dns-udp-responses-sent-ipv6: 188579752 dns-tcp-responses-sent-ipv4: 5500289 dns-tcp-responses-sent-ipv6: 275772