Pricing API Docs Integrations

4w.io

is a disposable email

Can 4w.io receive emails?

Yes, 4w.io can receive emails.

Should you allow users to sign up to your website using the domain 4w.io?

No, 4w.io is a throwaway domain and should be blocked.

How to block the disposable domain 4w.io?

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

DNS Records

A record

68.65.123.243

MX record

Hostname
IP
mail.4w.io 68.65.123.243

Domain Directory