Is helios-oi.re valid?

Domain: helios-oi.re

Valid: Yes

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

Tested MX: mx0.mail.ovh.net (178.33.252.245)

Using MX pointer mx0.mail.ovh.net 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.

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Raw API reason:

Heuristics: WM1

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