--- service: a.root-servers.net start-period: '2016-08-25T00:00:00Z' end-period: '2016-08-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3651555213 dns-udp-queries-received-ipv6: 486544622 dns-tcp-queries-received-ipv4: 55854786 dns-tcp-queries-received-ipv6: 5659126 dns-udp-responses-sent-ipv4: 3640647536 dns-udp-responses-sent-ipv6: 486483584 dns-tcp-responses-sent-ipv4: 53785836 dns-tcp-responses-sent-ipv6: 4062108