Ask HN: Help identifying a domain intelligence/research API?

A few weeks ago, there was a blog post on HN about renaming your company or startup. It was written by a company that provides an API for looking up information about the company behind a domain. Ironically, their new name proved so unmemorable that I can't recall it.

It's similar to StackLead and FullContact, but I can't for the life of me find it anywhere in HN search or my personal web history.

Anyone know what I'm talking about?