--- service: a.root-servers.net start-period: '2014-10-07T00:00:00Z' end-period: '2014-10-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2707260215 dns-udp-queries-received-ipv6: 173894700 dns-tcp-queries-received-ipv4: 17515227 dns-tcp-queries-received-ipv6: 1860148 dns-udp-responses-sent-ipv4: 2703482316 dns-udp-responses-sent-ipv6: 173778213 dns-tcp-responses-sent-ipv4: 16289924 dns-tcp-responses-sent-ipv6: 1204785