Is kostkas.com.au valid?

Domain: kostkas.com.au

Valid: Yes, but should be blocked

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

Tested MX: mx1.mtaroutes.com (154.59.104.23)

Using MX pointer mx1.mtaroutes.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.

Raw API reason:

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Anomalies detected

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