This source is known to forward emailforwarding notes:
GoDaddy will largely forward email with DKIM signatures intacts. However, customers of GoDaddy's infrastructure are free to run their own configurations that can and do modify messages and break DKIM signatures.
Domain hosted using GoDaddy can be configured to send DMARC-compliant by using SPF to authorize GoDaddy's infrastructure.
No DKIM functionality for domains hosted using GoDaddy.
Domains hosted using GoDaddy can be configured to send SPF-authenticated email. See the SPF section of this article: https://www.godaddy.com/help/use-spf-records-to-prevent-spoofing-and-ensure-mail-delivery-40499