--- service: a.root-servers.net start-period: '2014-07-08T00:00:00Z' end-period: '2014-07-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2252438018 dns-udp-queries-received-ipv6: 119669401 dns-tcp-queries-received-ipv4: 13657302 dns-tcp-queries-received-ipv6: 819027 dns-udp-responses-sent-ipv4: 2252199181 dns-udp-responses-sent-ipv6: 119664661 dns-tcp-responses-sent-ipv4: 13678323 dns-tcp-responses-sent-ipv6: 473090