Issues or errors on the Microsoft Q&A website.
I have restored your post, see https://learn.microsoft.com/en-us/answers/questions/5919490/browsers-will-no-longer-load-certain-web-pages-fol
As for why it was deleted, well, the spam filter on this site can be overly aggressive at times - but so can be spammers, which may explain why the bar for auto-deleting a post is a bit low. It seems that your particular case that your post happened to include a word that main appear in spam posts.