Pricing API Docs Integrations

u4.org

is a disposable email

Can u4.org receive emails?

Yes, u4.org can receive emails.

Should you allow users to sign up to your website using the domain u4.org?

No, u4.org is a throwaway domain and should be blocked.

How to block the disposable domain u4.org?

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

104.200.22.130

MX records

None

Domain Directory