Reverse IP Lookup
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Shared hosting means a single IP address often hosts dozens, sometimes hundreds, of unrelated websites. A reverse IP lookup flips the usual direction of a domain search: instead of starting with a name and finding its server, you start with an IP address and find every domain sitting on it.
That's useful in more situations than it first sounds. If you're vetting a hosting provider, want to know what else shares your server before you commit, or you're trying to work out who's really behind an anonymous-looking website, this is the tool that answers it.
Identify if a website is hosted on a shared IP address by discovering other domain names resolving to the exact same server.
Uncover potential vulnerabilities by finding out what other applications or websites are co-hosted on a target IP address.
Find hidden domains and projects owned by the same organization by scanning the IP addresses attached to their known domains.
What you can use this for
- Checking what else is hosted on the same server before signing up with a provider
- Investigating a suspicious or anonymous website by seeing its neighbours
- Auditing your own infrastructure to confirm what's actually running on your IP
- Identifying whether a domain sits on shared or dedicated hosting
Pair It With the Right Follow-Up
A reverse IP lookup only tells you who else shares a server, not who owns any of them. If a domain on that list catches your eye, run a WHOIS Lookup to find out who actually registered it. And if what you're really after is where a server physically sits rather than who else lives on it, that's a different question, Domain Location answers that one instead.
FAQS
How does a reverse IP lookup work?
It queries hosting and DNS records to find every domain currently pointing to a given IP address, then returns that list.
Can this tell me who owns a website?
Not directly. It shows you what's hosted alongside a domain, not ownership. Pair it with a WHOIS Lookup for ownership details.
Why do so many domains share one IP?
Shared hosting and CDNs often put many unrelated sites on one IP to cut costs. A long neighbour list usually isn't a red flag."
Is this the same as a Domain Location lookup?
No. Domain Location tells you where a server is geographically. Reverse IP Lookup tells you what else is hosted on it.