ocd.crm.dynamics.com is a subdomain of Microsoft's dynamics.com, used for logging into Dynamics 365 CRM instances. When you visit it, you're immediately redirected to Microsoft's own login page at login.microsoftonline.com. That's a strong sign of legitimacy — scammers don't hand off traffic to a major company's authentication system.
For a SaaS login endpoint, the security setup is exactly what you'd expect: a valid certificate, forced HTTPS, and protection against clickjacking. No threats appear on any blacklist or Google's Safe Browsing. The lack of a web archive history or a published sitemap is normal for a subdomain that isn't meant to be indexed. Likewise, you won't find an about page or privacy policy on the subdomain itself — that content lives on Microsoft's main site.
If you're wondering 'is ocd.crm.dynamics.com a scam', the answer is no. Everything points to it being a genuine part of Microsoft's infrastructure. As with any login page, make sure you're on the official URL before entering credentials, but this particular domain checks out completely.