Once you have followed the above mentioned details, your domain will be authenticated without any problems. You might need to wait for sometime so that the records are reflected in your domain's DNS settings. If you still face any issue, we advise you to reach out to your domain provider for further assistance.
Let us know what you think in the comments below! We'll be back with a new post, stay tuned.
Cheers,
Sarath Prasad
Zoho Invoice Team