Microsoft Security | Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
Can't obtain SSL certificate for domain
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 0%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECJ%3C/text%3E%3C/svg%3E)
Christy Jones
0
Reputation points
I have owned the domain microsofttrain.com for over 20 years. When the group that host my domain which is IONOS tried to obtain the SSL certificate this past year it was rejected because of the word Microsoft in the domain. My company Professional Training Solutions Inc has offered Microsoft Office training for Corporations since 1997. I had to register a new domain and simply point to the microsofttrain.com domain since I couldn't obtain the SSL. Who can help me with this? If Microsoft won't allow then they should purchase the name from me. I would rather be able to use this name since it has been registered to me for quite some time.
Microsoft Security | Microsoft Authenticator
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 28.000000000000004%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECK%3C/text%3E%3C/svg%3E)
Catherine Kyalo 3,180 Reputation points Microsoft Employee2026-03-30T06:50:36.0466667+00:00 Your SSL request isn’t being blocked by Microsoft itself. It’s being rejected by public Certificate Authorities (CAs) that IONOS relies on (for example DigiCert, Sectigo, Let’s Encrypt, etc.).
Modern public CAs operate under strict industry rules (CA/Browser Forum Baseline Requirements) and additional trademark‑protection policies. Domains that include well‑known trademarks (like “Microsoft”) are frequently flagged as high‑risk for impersonation unless the requester can prove authorization from the trademark owner.
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