--- service: a.root-servers.net start-period: '2015-02-08T00:00:00Z' end-period: '2015-02-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2764430611 dns-udp-queries-received-ipv6: 203717386 dns-tcp-queries-received-ipv4: 15447717 dns-tcp-queries-received-ipv6: 1717000 dns-udp-responses-sent-ipv4: 2763747821 dns-udp-responses-sent-ipv6: 203679272 dns-tcp-responses-sent-ipv4: 13444817 dns-tcp-responses-sent-ipv6: 1043987