While there is no "verified" or safe download for a keygen, there are several high-quality security research papers and white papers that analyze the severe risks associated with downloading such tools for legacy software like AutoCAD 2006. Security Research & Analysis Papers
If you're specifically interested in AutoCAD Mobile or versions from 2006, consider the following: While there is no "verified" or safe download
The Role of Keygens and Xforce in Software Activation While there is no "verified" or safe download
Seek Authorized Resellers: If you're interested in buying a license, consider going through authorized Autodesk resellers. They can provide you with legitimate software and might offer competitive pricing. While there is no "verified" or safe download
Here are some alternative solutions:
Alternatives for Accessing AutoCAD and Similar Software