Domain Validation Fails Even When "verifyzoom.html" File Exists

I’m working on submitting an app to review, but encountered domain verifications error:

can not access the html file, please be sure the file uploaded correctly and retry

I have confirmed that the verifyzoom.html file exists at

However, this error continues to show. I’d like to get help for manual verification, thank you in advance.


Thank you for reaching out in relation to Our Domain Validation process. The next steps will be sent to you via DM (Direct Message). Please refer to our domain validation resource: Domain Validation Explanation for any further questions you may have about the process.

Thank you.