Can k3zaraxg9t7e1f.gq receive emails?
No, k3zaraxg9t7e1f.gq cannot receive emails because
it has neither an A record nor MX records.
Should you allow users to sign up to your website using the domain k3zaraxg9t7e1f.gq?
No, k3zaraxg9t7e1f.gq is a throwaway domain and
should be blocked.
How to block the disposable domain
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