The domain content.nu.com.mx raises immediate questions because it doesn't actually load a page. Instead, visitors get a 'Bad Request' error, which can happen when a site is misconfigured, broken, or intentionally blocking access. Without a working homepage, it's impossible to tell what the site was meant for — a blog, a service, or something else.
Most legitimate sites, even simple personal projects, at least return a functional web page. Combined with the complete lack of contact information, no about page, and no way to verify who registered the domain, the evidence points to a site that isn't ready for public use or may have been abandoned. There are no malware warnings or blacklist flags, but that's faint praise when the site itself doesn't work.
If you came across content.nu.com.mx expecting content, you're not alone — but the safest move is to hold off entirely. There are no user reviews, no web archive history, and no indication the operator is responsive or accountable. Until the site starts working and shows basic transparency, there's nothing to trust.