Is sertr.com valid?

Domain: sertr.com

Valid: Yes, but should be blocked

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

Tested MX: sertr.com (23.227.38.32)

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No MX-pointer in DNS record. Using domain: sertr.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:

USE THE API, DO NOT SCRAPE THIS DATA

Heuristics: T2b

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