Yeah, it's a scam to try to scare you into buying your name in those other TLDs. I or my clients get these emails fairly frequently. I just checked on one of

Yeah, it's a scam to try to scare you into buying your name in those other TLDs. I or my clients get these emails fairly frequently. I just checked on one of the domains we got that email for a few months ago and as was my assumption, they didn't actually register those domains. They're trying to get money from you registering those domains, not trying to typosquat them. tl;dr: Just ignore these emails, they probably won't actually register them themselves.