--- service: a.root-servers.net start-period: '2014-08-06T00:00:00Z' end-period: '2014-08-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1545235531 dns-udp-queries-received-ipv6: 94406130 dns-tcp-queries-received-ipv4: 15471633 dns-tcp-queries-received-ipv6: 883862 dns-udp-responses-sent-ipv4: 1544940352 dns-udp-responses-sent-ipv6: 94400286 dns-tcp-responses-sent-ipv4: 15594379 dns-tcp-responses-sent-ipv6: 297691