--- service: a.root-servers.net start-period: '2014-08-11T00:00:00Z' end-period: '2014-08-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1478031363 dns-udp-queries-received-ipv6: 87305680 dns-tcp-queries-received-ipv4: 13446096 dns-tcp-queries-received-ipv6: 821229 dns-udp-responses-sent-ipv4: 1477825648 dns-udp-responses-sent-ipv6: 87305902 dns-tcp-responses-sent-ipv4: 13538342 dns-tcp-responses-sent-ipv6: 295466