iWebToo.com is not accurate. Domain-Pop.com is beyond inaccurate; complete nonsense here. Backlink Watch has some serious merit. See: http://forums.digitalpoint.com/showp...5&postcount=20
Your suggestion is better. I also use google webmaster tool for back link check. This tool more accurate than other tool.
You can also try this free backlink checker tool. Google Webmaster is another great tool for checking backlinks.There are many available, just google free backlink checker and you will get many.