What is your domain and what is the error message you are getting?
I am a GoDaddy End User - Just Like You Check out my site! | I currently manage over 300 WordPress Websites * Please note that I offer free advice on this forum. If you would like personalized help, please contact me. Otherwise, please ask your question in the proper forum so the answer can assist EVERYONE in the community and not just you. Thanks! *
Once your issue is resolved, please be sure to come back and click accept for the solution
I resolved the issue by myself. Fastly was (correctly) sending a HTTPS request to GoDaddy. GoDaddy doesn't support any default https certificate (i.e. Let's Encrypt) until you buy a new SSL cert. So Fastly was not able to establish a secure connection with GoDaddy.
I just fixed by buying a SSL cert because i cannot migrate my domain right now. But for future domains i will use another domain register that provide at least a default SSL cert.