Which web-site on the internet is legit...?

There are about 17 nation-wide phone directories. Most offer a reverse direcory lookup; you enter the number, it tells you who it is registered to. They all will let you look up people by name, although it helps to know the town.

zabasearch is the one we usually reccomend for living people.

There shouldn't be one available to the public for SSN lookups.

In order to find the website legit or not have to check the following.
1) Lookup the domain name Whois information, using one of the many lookup sites:
2) Check the contact us page information, ideally there will be a physical store/warehouse address and a contact phone number, if there's a phone# go ahead and call to get the feel for the operators.

3) Look for an HTTPS encrypted address on the checkout pages where you enter your personal information

All websites are look like legitimate .So it is hard to tell whether it is legit or scam.If you are not sure or have anydoubts whether the website can be trusted then exit from the site and take your time to investigate further into the website .To check a site is legit or scam you can check user reviews, feedback, problems, responses and ratingabout the site by the Google search.To check the website is secure use the site Webutation.net ,you will get more information about the website.Get the "whois" information from WhoisXY.com to know the administrative contact,technical contact etc.