--- service: a.root-servers.net start-period: '2013-11-08T00:00:00Z' end-period: '2013-11-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1631624054 dns-udp-queries-received-ipv6: 93232830 dns-tcp-queries-received-ipv4: 7900288 dns-tcp-queries-received-ipv6: 1419835 dns-udp-responses-sent-ipv4: 1630683144 dns-udp-responses-sent-ipv6: 93245298 dns-tcp-responses-sent-ipv4: 8458640 dns-tcp-responses-sent-ipv6: 12784