Another domain is pointing to my server

No

This is just a phishing attempt by obtaining a legit ssl certificate and scraping their website. He should Another domain is pointing to my server - #8 by josephgodwinke and contact his provider asap.

Activating csf or any firewall and removing records will not help.The problem with SSL certificates issued to rogue parties occurs during man-in-the-middle attacks where the communication can be routed to another server in this case a rogue AWS server.

In that case the attacker can choose to intercept, read and change traffic to his website. Therefore thw attacker will impersonate the server or anything in between.