I had to do this once, and followed this guide successfully → http://forum.mikrotik.com/t/hairpin-nat-the-easy-way/146718/1
This is also the official docs on the subject: https://help.mikrotik.com/docs/display/ROS/NAT#NAT-HairpinNAT
I had to do this once, and followed this guide successfully → http://forum.mikrotik.com/t/hairpin-nat-the-easy-way/146718/1
This is also the official docs on the subject: https://help.mikrotik.com/docs/display/ROS/NAT#NAT-HairpinNAT