Domain: 163.co,

Valid: No, should be blocked

This domain does not seem valid, and can probably not receive e-mail.

Tested MX: No MX pointer detected

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:

Domain contains invalid character(s)

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163.co,

Status: Invalid domain

 

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