Is fastmail.us valid?

Verify if fastmail.us is a valid e-mail domain

Domain: fastmail.us

Valid: Yes

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

Tested MX: in1-smtp.messagingengine.com (66.111.4.70)
DO NOT SCRAPE THIS DATA, USE THE API

Using MX pointer in1-smtp.messagingengine.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:
USE THE API, DO NOT SCRAPE THIS DATA

Heuristics: WM1

 

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fastmail.us

Status: Looks okay

 

DOMAIN RISK: 10

 

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