Is c2-defense.com valid?

Domain: c2-defense.com

Valid: Yes

This domain is valid and should be able to receive e-mail.

Tested MX: c2defense-com0e.mail.protection.office365.us (23.103.199.170)

Using MX pointer c2defense-com0e.mail.protection.office365.us from DNS with priority: 0

Block: No

You do not need to block this domain for signups/registrations.

Disposable: No

This does not look like a temporary/disposable e-mail domain.

Raw API reason:

Heuristics: WM1

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