Is ccrsi.org valid?

Domain: ccrsi.org

Valid: Yes

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

Tested MX: d303813a.ess.barracudanetworks.com (209.222.82.255)

USE THE API, DO NOT SCRAPE THIS DATA

Using MX pointer d303813a.ess.barracudanetworks.com from DNS with priority: 10

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:

Heuristics: WM1

START USING FREE API