--- service: a.root-servers.net start-period: '2016-11-14T00:00:00Z' end-period: '2016-11-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4827440554 dns-udp-queries-received-ipv6: 419679678 dns-tcp-queries-received-ipv4: 163680367 dns-tcp-queries-received-ipv6: 8735674 dns-udp-responses-sent-ipv4: 4814234347 dns-udp-responses-sent-ipv6: 419544459 dns-tcp-responses-sent-ipv4: 164318398 dns-tcp-responses-sent-ipv6: 8764213