So you landed on ind-ndp1.365sip.com and found... nothing but a server's welcome screen. That's the Apache2 default page that appears when a web server is installed but no actual website has been configured. This isn't a typical business site or a personal blog — it's more like an empty lot with a "for sale" sign that never got filled.
When we checked for background on this subdomain, the WHOIS database returned no match, meaning there's no public record of who registered it. That's odd even for a subdomain of a larger site (365sip.com likely deals with VoIP services). The lack of any content, legal pages, or branding means there's nothing to evaluate for trust. The contact info signal is contradicted by the visible page, so we can't rely on it.
For now, ind-ndp1.365sip.com isn't a functioning website. There's no service to review, no product to buy, and no reason to hand over any information. If you're wondering "is ind-ndp1.365sip.com a scam" — it's not actively scamming, but it's also not doing anything legitimate. Treat it as an unknown and move on.