Tech

Free Reverse IP Lookup – Find Out Which Domains Are Hosted on a Specific IP Address

A free reverse IP lookup is the process of determining domain names that are hosted on a particular server. This can be useful for a variety of reasons, including identifying the owner of a domain name, troubleshooting website issues, and tracking down the source of spam or other online attacks.

Normally, when you type in a URL into your browser, the router or modem that connects to the Internet looks up that address in a DNS database. This results in a request to the web server where the site is located, which in turn fetches the website from its own web cache. This process is invisible to the end user, who only sees the resulting website and not the IP address that the web server has in its memory.

Unlocking the Secrets: The Ins and Outs of Free Reverse IP Lookup Tools

In some cases, a single IP address may be used to host many web sites, a practice commonly found in shared hosting environments. To save money, web hosting providers often over-subscribe, selling a small amount of space on a single server to thousands of different websites. This can cause performance issues for the web sites and increase the risk of them getting filtered or flagged as spam by email servers.

To determine which domains are hosted on a specific IP address, you can use a free reverse IP lookup tool such as That’sThem or Bing. These tools will run a search query against the available DNS PTR records on a /24 of public IP addresses. The query will return the hostname and domains that have a PTR record for the given IP address.

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