Trying to figure out whether kp-p.ru is legit is like knocking on a door with no nameplate. The domain has been registered since 2011, it passes security checks, and it hasn't appeared on any blacklists. On paper, that sounds good. But when you actually visit the site, you're met with a "checking your browser" page and nothing else. No company name, no about page, no phone number or email, and no social media profiles. The site's owner is listed as a private person through a Russian registrar, which is normal for that country, but it leaves you guessing who you're dealing with.
For a site that's been online for 15 years, the lack of transparency is unusual. Most legitimate operations — even personal blogs — have some kind of introduction or contact method. Here, the bot protection blocks automated checks from finding any legal pages or deeper content. That doesn't mean it's a scam, but it does mean you have very little to go on.
If you're considering using kp-p.ru for anything that involves personal data or money, hold off. There's not enough evidence to call it dangerous, but also not enough to call it trustworthy. A quick search for "kp-p.ru reviews" won't turn up much, which is another reason to approach with caution. Stick to sites that clearly tell you who they are and what they offer.