1. What's the feature? -Add the ability to edit the ip address in pointer records for mail servers. 2. Extra information? Have the ability to update the pointer records. xxx.xxx.xxx.xxx.in-addr.arpa. 3600 IN PTR mail.simplyislam.biz. <!-- YOU CAN CHAT THERE EVENTUALLY: https://github.com/qdm12/ddns-updater/discussions -->