Registrar
Email Authentication on GoDaddy
GoDaddy's DNS Manager has both a new and legacy interface — steps differ slightly. Here's how to add email records in either.
Start at My Products → your domain → DNS (or Manage DNS). Use @ for the host on the root. TTL 1 hour (3600) is a sensible default while you're testing.
SPF record
One v=spf1 TXT at root — merge providers.
DKIM record
TXT at selector._domainkey — paste full key.
DMARC setup
TXT at _dmarc — start with p=none.
MX record
Priorities, hostnames, no proxy where applicable.
Expiry monitoring
Auto-renew and WHOIS cross-check.
Domain lock
Transfer lock — verify before you move.