--- service: a.root-servers.net start-period: '2014-04-07T00:00:00Z' end-period: '2014-04-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2431467147 dns-udp-queries-received-ipv6: 88449356 dns-tcp-queries-received-ipv4: 11669469 dns-tcp-queries-received-ipv6: 828404 dns-udp-responses-sent-ipv4: 2430898040 dns-udp-responses-sent-ipv6: 88418131 dns-tcp-responses-sent-ipv4: 11655357 dns-tcp-responses-sent-ipv6: 133