s4f.co

Can s4f.co receive emails?

Yes, s4f.co can receive emails.

Should you allow users to sign up to your website using the domain s4f.co?

No, s4f.co is a throwaway domain and should be blocked.

How to block the temporary domain s4f.co?

You can use MailCheck's free API to automatically block throwaway emails. Read our documentation to get started. No registration required.

DNS Records

Source