That's your fault for using something that's a valid domain and not a reserved one for exactly that use case decided on 20 years ago: https://tools.ietf.org/ht

That's your fault for using something that's a valid domain and not a reserved one for exactly that use case decided on 20 years ago: https://tools.ietf.org/html/rfc2606 https://tools.ietf.org/html/rfc2606 .test, .example, .invalid, .localhost