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Custom domain for email templates on Firebase

Hi there, I'm trying to use custom domain for authentication on firebase and 2 times they reject the configuration in godaddy.

I made the configuration in godaddy copying and paste the info that Firebase show me.

Can you help me?


Follow some screenshots from Firebase:


Screen Shot 2018-09-15 at 14.07.11.pngScreen Shot 2018-09-15 at 14.10.33.png


Re: Custom domain for email templates on Firebase

Hi @felipe_bueno

Welcome to our forums! Sorry, I'm not familiar with Firebase. I suggest manually typing the DNS entries instead of copying/pasting. Also, for reference here is a link on how to edit your domain's records. If the domain still cannot be verified from their end, I suggest reaching out to them to pin point the issue.

KayJay - GoDaddy | Community Moderator
24/7 support available at

Re: Custom domain for email templates on Firebase

I had the same issue and it worked after making 2 changes:


  1. For the TXT records Host should be @ instead of your domain name 
  2. For the CNAME records remove the trailing domain name from the Host .
    In this example value should be 
    and not