The open ports are 80, 443 and 53. They go to the public IP 181.10.138.84
I think you are not understanding me.
From the Internet
to your Internet IP
which ports are allowed in [through the router]
and to which internal IP(s) are they being forwarded?
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Sorry, I really hadn't understood what you were asking me.
Luckily they gave me access to the mikrotik and I found a rule that would redirect the traffic from another server to port 80 of the server with which I needed to renew the certificate, deactivate this rule and I was able to renew it without problems. Thank you very much for your time and patience, I hope it has not been too much trouble. A big hug!
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Cheers 
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