Southafricanlisted is the worst!

About 6 years ago a placed a ad on another site that was not southafricanlisted. I have removed the ad from that site after my item was sold. Since then people still contact me regarding that ad. I did some research and found my ad with my contact details is on southafricanlisted. How is this possible? I have tried to contact the southafricanlisted to remove my ad and contact details but they just dont respond. This is a frustrating issue that is going on for 6 years now. Is there someone out there that can assist me with this problem please?