Is tiaa-cref.org valid?

Domain: tiaa-cref.org

Valid: Yes

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

Tested MX: mx-smtp01.tiaa-cref.org (143.165.61.75)

Using MX pointer mx-smtp01.tiaa-cref.org 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:

No anomaly detected

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