Domain insights for 4-n.us
Disposable detection, MX records, and provider info
Check whether 4-n.us is a temporary email provider, view its current MX hosts (queried via Cloudflare DNS), and see if it's a public email service. Useful for sign-up validation and deliverability checks.
4-n.us is a disposable domain
YES
MX Records
This domain has valid MX records configured for receiving emails.
YES
Disposable
Known temporary email provider. Consider blocking for signups.
NO
Public Email Provider
Not a major public email provider.
MX hosts
- mail.casadorock.com
API Endpoint
OpenUse email or domain to check if it is temporary.
GET https://isfakemail.com/api/check?url=4-n.usExplore other domains
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