Remember to use ad blockers and DNS filters ladies and gentlemen!
Have no idea what Otto[.]de is, nor do I have any plans to find out. But god damn thats a long as time. Its the equivalent of 9993 years if anyone was wondering...
Source; Cookie of a sketchy free VPN that I'm investigating.
I wasnt thinking clearly... Somehow was thinking they stored cookies outside the browser, then I realised thats not how it works :P Thanks for pointing it out, ill try to find out the default values for cookie-lifetime across browsers next :)