Is hearty15943.co.jp valid?

Domain: hearty15943.co.jp

Valid: Yes

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

Tested MX: hearty15943.sakura.ne.jp (133.242.249.176)

Using MX pointer hearty15943.sakura.ne.jp from DNS with priority: 10

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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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