Try Tor Browser, your link is available through Tor. This is what website owners do often these days. I tired seeing Cloudflare Access Denied screens.> I asked at a webmasters forum, and they say that Ukrainian IPs are generally blocked, because only criminals, like carders, use them.
This person is stupid. And I see no reason to block populations of whole countries from accessing your blog with articles other than stupidity and arrogance.