[hamed]

I suggest you do not place your site on a free backlink site
Because your website can fall from the top ranking in Google search engines because of backlinks that are not qualified!

Thank you for your suggestion.
But I know which sites can be a good backlink and which sites are known as backlink spam.
And I also know that google is updating day by day and can detect it early, but the sites whois and website status have no problems with the backlink because it's a normal life, as well as a public one.