DNMin Domain Management Tool (Beta Testers Needed)

I have finally developed a domain management system -- DNMin. The system is hosted, and there are a few features included:

1. Domain status notification
2. Expiration reminder
3. Email , twitter, or iOS push notification using Boxcar

The service will be free and now I need few beta testers to test it out. Any suggestions and feedback are welcomed.

If you are interested, kindly use one of the invitation code below to register at the website. Thanks.

Website: https://dnmin.com

Invitation Code:

4MJBS5BETY8S

5CJOG3WU5G48

6N12T0AXLOPJ

9GQCB9FC0QPB

AA9RVICST14D

BU65M02BGU3G

EUL7CVPKM22U

F015K5TH5JAX

F6XZJQAIDBQM

IWFLHBMQLH5R