--- service: a.root-servers.net start-period: '2014-03-25T00:00:00Z' end-period: '2014-03-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2286861090 dns-udp-queries-received-ipv6: 91810070 dns-tcp-queries-received-ipv4: 11707379 dns-tcp-queries-received-ipv6: 866218 dns-udp-responses-sent-ipv4: 2286294979 dns-udp-responses-sent-ipv6: 91773723 dns-tcp-responses-sent-ipv4: 11843121 dns-tcp-responses-sent-ipv6: 113