--- service: a.root-servers.net start-period: '2014-08-07T00:00:00Z' end-period: '2014-08-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1552565384 dns-udp-queries-received-ipv6: 91880708 dns-tcp-queries-received-ipv4: 14491923 dns-tcp-queries-received-ipv6: 855739 dns-udp-responses-sent-ipv4: 1552412345 dns-udp-responses-sent-ipv6: 91875777 dns-tcp-responses-sent-ipv4: 14587609 dns-tcp-responses-sent-ipv6: 298378