If you've submitted a post or comment containing a . ru link, it's being automatically filtered by site admins. This is not something mods can approve/ pull out of the filter.

Just wanted to share since I've seen a ton of comments trapped in the filter.

More info here: https://www.reddit.com/r/ModSupport/comments/t66l5f/reddit_blocked_all_domains_under_russian_cctld_ru/