Is duclocson.vn valid?

Domain: duclocson.vn

Valid: Yes, but should be blocked

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

Tested MX: mail.duclocson.vn (103.45.230.233)

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Using MX pointer mail.duclocson.vn from DNS with priority: 10

Block: Yes

You should block this domain for signups/registrations.

Disposable: No

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

Raw API reason:

Heuristics: T1

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