If you've been asked to visit myomni-my.sharepoint.com, you're looking at a Microsoft SharePoint site — not a random unknown domain. The site immediately redirects to Microsoft's official login page (login.microsoftonline.com), which is how SharePoint Online authenticates users. This is a strong sign of legitimacy.
For a site that acts as a gateway to Microsoft services, the security signals are exactly what you'd want: a valid certificate, enforced HTTPS, and no history of abuse on any blacklist. The site is hosted on Microsoft's own network, and the domain is a subdomain of sharepoint.com — a domain owned and operated by Microsoft. There is no question about who runs this.
While the site itself has no privacy policy or contact page, that's because it's not a standalone business. It's a redirect endpoint for Microsoft's authentication system. Your trust should rest on Microsoft's track record, not on this specific URL. If you are using this as part of your company's Microsoft 365 setup, it is completely safe. There are no red flags suggesting this is a scam or fake. The site blocks search crawlers, which is typical for private SharePoint sites, and it has no web archive history because it's likely new or restricted to authenticated users. That's not suspicious — it's by design.
In short, myomni-my.sharepoint.com is exactly what it appears to be: a legitimate Microsoft SharePoint login page. You can proceed with confidence. If you ever see a login prompt that doesn't redirect to Microsoft's official domain, that would be a concern, but here the chain is clear and trustworthy.