--- service: a.root-servers.net start-period: '2014-09-07T00:00:00Z' end-period: '2014-09-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1746018738 dns-udp-queries-received-ipv6: 131657856 dns-tcp-queries-received-ipv4: 11304481 dns-tcp-queries-received-ipv6: 1741853 dns-udp-responses-sent-ipv4: 1745953101 dns-udp-responses-sent-ipv6: 131594358 dns-tcp-responses-sent-ipv4: 10792160 dns-tcp-responses-sent-ipv6: 1000430