Zoom OAuth domain validation failed - help for manual domain verification

I am trying to submit OAuth app but the domain validation failed in every time and I follow the each validation steps but it is not working to me can you help to validate domain manually OR the associated domain verification process [https://support.zoom.us/hc/en-us/articles/203395207-Getting-started-with-associated-domains] is similar to this???

Hello, I replied to your post in another thread, and DM’d you the next steps for manual domain validation.