Is cis4000.com valid?

Domain: cis4000.com

Valid: Yes

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

Tested MX: mail.cis4000.com (66.155.58.79)

Using MX pointer mail.cis4000.com from DNS with priority: 10

DO NOT SCRAPE THIS DATA, USE THE API

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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