Is kouseki.cn valid?

Domain: kouseki.cn

Valid: Yes

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

Tested MX: mxbiz2.qq.com (103.86.78.5)

DO NOT SCRAPE THIS DATA, USE THE API

Using MX pointer mxbiz2.qq.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

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