--- service: a.root-servers.net start-period: '2017-02-10T00:00:00Z' end-period: '2017-02-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4778191602 dns-udp-queries-received-ipv6: 518756708 dns-tcp-queries-received-ipv4: 155000756 dns-tcp-queries-received-ipv6: 8610102 dns-udp-responses-sent-ipv4: 4774106477 dns-udp-responses-sent-ipv6: 518662574 dns-tcp-responses-sent-ipv4: 155806722 dns-tcp-responses-sent-ipv6: 8707995