Is hyper.corp.com valid?

Domain: hyper.corp.com

Valid: Yes, but should be blocked

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

Tested MX: your-dns-needs-immediate-attention.corp.com (127.0.53.53)

Using MX pointer your-dns-needs-immediate-attention.corp.com 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.

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Raw API reason:

Local or non-routable IP

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