I've registered a domain name with OldRegistar. I've used the private whois information option, that meant the admin contact was set to a proxy email address that forwarded to my real email address.
I've transferred the domain name from the OldRegistar to the CurrentRegistar. The CurrentRegistar never updated the whois information, i.e. the admin contact was still set to the proxy email address. I didn't notice this and the CurrentRegistar never reported any problem to me.
Eventually, the OldRegistar deactivated the proxy email address.
Now, I have a client request to transfer the domain from the CurrentRegistar to a NewRegistar, but I can't do it. The transfer request is being sent to the admin contact of the OldRegistar proxy email address and that address no longer exists.
I've contacted CurrentRegistar in order to update the whois information and use my real email address for the admin contact. They say they can't do it because any change in the whois needs to be approved by the current admin contact, i.e. again an approval link is being sent to the inexistent proxy email address.
I've contacted the OldRegistar and asked them to reactivate the proxy email address. They say they can't do it.
So I've ended up with a domain name associated with an inexistent admin contact and nobody seems to be able to fix this problem.
What are my options to fix this?