I still have a DynDNS (later Dyn and then acquired by Oracle) account. It is a bit funny since the "Dyn (company)" Wikipedia page[1] says the company was found

I still have a DynDNS (later Dyn and then acquired by Oracle) account. It is a bit funny since the "Dyn (company)" Wikipedia page[1] says the company was founded in 2001, but I'm pretty sure I had this account already when years started with 19. [1] https://en.m.wikipedia.org/wiki/Dyn_(company) https://en.m.wikipedia.org/wiki/Dyn_(company) EDIT: Not an online account, but I only had a single mobile phone number my entire life.