Is j-cda.jp valid?

Domain: j-cda.jp

Valid: Yes

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

Tested MX: jcda-jp0c.mail.protection.outlook.com (52.101.124.0)

Using MX pointer jcda-jp0c.mail.protection.outlook.com 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

START USING FREE API