Important Notice] We have changed our DNS server to Amazon Route 53 (Cloud DNS Service) and it is now working properly.
[Important Notice]
We have changed the DNS server for our related services to Amazon Route 53 (Cloud DNS service) and it has started to work properly. Please be assured that it is working without any particular problem.
[Relevant URL].
http://tatsuno-system.co.jp/
https://quizgenerator.net
http://cardgenerator.net/