Is blackisle.com valid?

How to block blackisle.com invalid e-mail domain

Domain: blackisle.com

Valid: Yes, but should be blocked

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

Tested MX: blackisle.com (209.99.64.71)

No MX-pointer in DNS record. Using domain: blackisle.com

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 (4a)

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blackisle.com

Status: Suspicious domain

 

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