--- service: a.root-servers.net start-period: '2016-08-07T00:00:00Z' end-period: '2016-08-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3737803587 dns-udp-queries-received-ipv6: 445010731 dns-tcp-queries-received-ipv4: 84251811 dns-tcp-queries-received-ipv6: 5087263 dns-udp-responses-sent-ipv4: 3736238717 dns-udp-responses-sent-ipv6: 444969004 dns-tcp-responses-sent-ipv4: 76648810 dns-tcp-responses-sent-ipv6: 3404584