This domain does not seem valid, and can probably not receive e-mail.
Using MX pointer fashiondesignerlabs-com.mail.protection.outlook.com from DNS with priority: 0
You should block this domain for signups/registrations.
This does not look like a temporary/disposable e-mail domain.
Unable to resolve MX host: fashiondesignerlabs-com.mail.protection.outlook.com
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