Is core.pl valid?

Domain: core.pl

Valid: Yes

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

Tested MX: mail2.core.pl (31.182.32.10)

Using MX pointer mail2.core.pl from DNS with priority: 20

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.

Raw API reason:

No anomaly detected

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