Facebook does not allow sharing link to my blog

I try to share my blog in my business page.
Facebook says the link cannot be shared because it violates the community rules.
If I put another link it works.

The blog itself is legit and there is no problematic content.

I reported to facebook and they said the content is approved but still the sharing does not work.

Why is it blocked by facebook?
Is it related to the content or the URL (for example .info is not accepted?)
What can I do to be able to share it?

Thanks

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