When a website has been around since 2017 but leaves no trace in the Wayback Machine, that's unusual. Most sites that age have at least some history — old pages, cached versions, mentions elsewhere. nrtcb.com shows up as a blank slate, and it's designed that way: its robots.txt file tells search engines to stay out entirely. Combined with the fact that the homepage itself is an error page (you can't even see what the site is about), you're essentially dealing with a locked door.
There's no about page, no contact information, no social media links, and no way to verify who runs the place. For any site that intends to do business — sell something, collect data, offer a service — that's not normal. Legitimate operations, even small ones, typically make themselves findable.
The good news: the domain isn't on any blacklists, and the SSL certificate is valid. But those basics don't outweigh the fact that the site is deliberately hiding. If you're wondering whether nrtcb.com is a scam or fake, the honest answer is that there isn't enough visible information to prove it is legitimate. Until the site opens up and shows who it is, the safest approach is to assume it's not trustworthy.