Y Combinator · Winter 2009, Summer 2009 · 1 November 2026
What domains do YC’s 2009 startups use?
Of the 36 startups in Y Combinator’s 2009 batches that have a website, 100% use a .com and 0% a .ai.
- 100%
- 0%
See what the .com of your name is worth before you pick .ai or .io →
Which extensions the 2009 startups use
Batch by batch
BatchStartups with a website.com.aiNot on .com: the .com of the name for sale
Winter 200913100%0%noneWinter 200913.com100%.ai0%
Summer 200923100%0%noneSummer 200923.com100%.ai0%
Is the .com of a 2009 YC startup’s name for sale?
Every startup of 2009 with a website uses a .com.