If you tell me what “strimsy.in” claims to offer (streaming, shopping, etc.), I can give more specific tips on what to look for in a legitimate service.
: Offers real-time access to major sports leagues and combat sports. strimsy.in
Let me do a quick search. Hmm, not much info. Could be a typo. Maybe Strim Sy, Strimsy, or similar. Maybe it's a streaming service? The .in domain is for India, so perhaps an Indian website. If you tell me what “strimsy