--- service: a.root-servers.net start-period: '2016-08-22T00:00:00Z' end-period: '2016-08-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3673241387 dns-udp-queries-received-ipv6: 485200524 dns-tcp-queries-received-ipv4: 53584172 dns-tcp-queries-received-ipv6: 5489654 dns-udp-responses-sent-ipv4: 3663719030 dns-udp-responses-sent-ipv6: 485101606 dns-tcp-responses-sent-ipv4: 51037257 dns-tcp-responses-sent-ipv6: 3961415