--- service: a.root-servers.net start-period: '2016-08-01T00:00:00Z' end-period: '2016-08-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3645822739 dns-udp-queries-received-ipv6: 440547190 dns-tcp-queries-received-ipv4: 88207281 dns-tcp-queries-received-ipv6: 6130773 dns-udp-responses-sent-ipv4: 3642714962 dns-udp-responses-sent-ipv6: 440492024 dns-tcp-responses-sent-ipv4: 73897674 dns-tcp-responses-sent-ipv6: 1927243