If you've come across vui-nonprod.query.api.dvb.corpinter.net, you're probably not looking at a typical website. The name itself — "nonprod" and "api" — strongly suggests this is an internal or staging API endpoint for a larger service, not something meant for consumers. That context changes the trust analysis significantly.
Unlike a shopping site or a login portal, an internal API doesn't need an about page, contact info, or privacy policy. The absence of those signals is normal here, not suspicious. What matters is whether the server is secure for the data it might handle. The good news: it has a valid certificate from DigiCert, uses TLS 1.2, and isn't on any blacklists. The less good news: it still accepts deprecated TLS 1.0 and 1.1, which have known vulnerabilities. If this API passes sensitive information, that gap should be fixed.
Because this is a non-production environment (note "nonprod"), you likely won't find reviews or a Trustpilot page for it — those are irrelevant. The bot protection that returned a 403 is actually a sign that the service is locked down to authorized users only.
Bottom line: vui-nonprod.query.api.dvb.corpinter.net appears to be a legitimate internal API endpoint. It's not a public-facing scam site. The only real question is whether its TLS configuration is updated, but that's a technical maintenance issue, not a trust red flag.