--- service: a.root-servers.net start-period: '2016-10-14T00:00:00Z' end-period: '2016-10-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3969800126 dns-udp-queries-received-ipv6: 385040630 dns-tcp-queries-received-ipv4: 108919579 dns-tcp-queries-received-ipv6: 8753698 dns-udp-responses-sent-ipv4: 3950110906 dns-udp-responses-sent-ipv6: 377147379 dns-tcp-responses-sent-ipv4: 108804889 dns-tcp-responses-sent-ipv6: 7622932