123-reg.co.uk
- Log in to your 123-reg control panel and choose the appropriate zone.
- Choose “Manage DNS”.
- Under “Add new entry” enter “@” for the name, “TXT” for the type, and use your SPF policy for “Content”.
- Don't forget to create and publish a policy for other domains in your zone (see FAQ/Common mistakes)
Based on information provided by Dave Cardwell