Below are some of the tools you can check out for evaluating your domains( Iam not affiliated to any one of them) this is purely to help individuals and for informational purpose.
1. Push2check.com - Great resource site.
If we break down the tools, I usually look at the following:
Traffic Sources: (Understand that no tool is 100% accurate but you can get a good picture together.)
4. Verisign Labs: http://domainscore.verisignlabs.com/ ( This tool can be used when other tools are mastered. The information on this site is a bit challenging but can be helpful)
To check History of the domain:
For checking Backlinks: (There are many tools for these but some good sites to use are .)