ixquick.de, or allso known as startpage.com offers this service as a private organisation. They say that they don't save your IP-Adress and don't use tracking-cookies. They suggest your surfing is sure.
Fact is:
- There are no trackingtools recognized of any tracking blocker
- They search with google, forwarding your question.
For everithing else we only have their word not to do things with your data you don't want to. There is no transparence how they finance this page, and no transparence what pupose they have to offer this service for free.
This could be a page of any secret service or private sniffing organisation as well as someone who offers it for a good ethik pupose. Nobody knows and every one can judge to themself what is more likely.