Verify domain not working

I have been unable to verify my web application domain using the html method provided.
Urgent help is needed on this, as our customers are earnestly waiting for this.

Hello,

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

Thank you.