--- service: a.root-servers.net start-period: '2016-10-11T00:00:00Z' end-period: '2016-10-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4203586002 dns-udp-queries-received-ipv6: 377047316 dns-tcp-queries-received-ipv4: 130534034 dns-tcp-queries-received-ipv6: 6029210 dns-udp-responses-sent-ipv4: 4183275647 dns-udp-responses-sent-ipv6: 376564121 dns-tcp-responses-sent-ipv4: 131312470 dns-tcp-responses-sent-ipv6: 6048694