Yes, because it tests the stream from your network location, it will list channels you cannot access as "dead" or inaccessible if they are geo-blocked. Conclusion
Before spending $15/month on a new IPTV provider, ask for a 24-hour trial M3U. Run it through IPTV Checker 25. If the checker shows 40% dead links on day one, run away. iptv checker 25