--- service: a.root-servers.net start-period: '2016-11-25T00:00:00Z' end-period: '2016-11-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4878949262 dns-udp-queries-received-ipv6: 429044509 dns-tcp-queries-received-ipv4: 220460222 dns-tcp-queries-received-ipv6: 10507008 dns-udp-responses-sent-ipv4: 4858888499 dns-udp-responses-sent-ipv6: 428866263 dns-tcp-responses-sent-ipv4: 220768437 dns-tcp-responses-sent-ipv6: 10543401