--- service: a.root-servers.net start-period: '2014-08-16T00:00:00Z' end-period: '2014-08-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1916576034 dns-udp-queries-received-ipv6: 125845008 dns-tcp-queries-received-ipv4: 21549172 dns-tcp-queries-received-ipv6: 1861471 dns-udp-responses-sent-ipv4: 1916536983 dns-udp-responses-sent-ipv6: 125833079 dns-tcp-responses-sent-ipv4: 21102675 dns-tcp-responses-sent-ipv6: 952326