[iqonik]

http://fontfamous.com/

https://news.ycombinator.com/item?id=11247567

FYI I found it by Googling "site:news.ycombinator.com font logos"

[nikmobi]

I've never seen the fontfamous one, looks great. I thought OP was referring to https://logo.clearbit.com.

E.g. https://logo.clearbit.com/ycombinator.com

[therov]

Thank you. I did the search and googled, I'll step up my search game.