Introduction In the world of networking and web infrastructure, a standard DNS lookup (or "forward lookup") translates a domain name (like www.example.com ) into an IP address (like 93.184.216.34 ). A Reverse IP Lookup does the opposite: it starts with an IP address and asks, "Which domain names are hosted on this IP address?"
However, the rise of CDNs, cloud hosting, and SNI (Server Name Indication) has reduced its reliability. Always cross-reference multiple tools, understand the limitations, and combine reverse IP data with other OSINT techniques for accurate conclusions. reverse ip lookup
If you need to find all domains owned by a company, a reverse IP lookup on their netblocks is a good start, but also investigate SSL certificate transparency logs (e.g., crt.sh) for more complete results. Last updated: 2025 Introduction In the world of networking and web