First,, I changed DNS of my Domain (including A records and CNAME) to (220.127.116.11). After 2 days, I decided to return them to previous condition.
But, when I reverted evrything, I faced to a big problem.
I saw this error in my browser:
404 not found
The requested URL / was not found on this server.
Actually, this error could not be solved by waiting. You should reset all DNS of your domain another time.
Also, this error is not related to clear ISP cahce or something like that.
Then you can easily solve this problem.