This domain is valid and should be able to receive e-mail.
Using MX pointer imgnostalgia.host from DNS with priority: 0
You do not need to block this domain for signups/registrations.
This does not look like a temporary/disposable e-mail domain.
Get started using the free API for developers.
DOMAIN RISK: 30
Are you a programmer?
Did you know we have a free API to validate e-mail addresses?