Is hartsfield.herts.sch.uk valid?

Domain: hartsfield.herts.sch.uk

Valid: Yes

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

Tested MX: 1880500687.mail.outlook.com (52.101.73.28)

Using MX pointer 1880500687.mail.outlook.com 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.

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Raw API reason:

Heuristics: WM1

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