To run reverse IP lookups, go to seopolarity.com from your search browser, find and click the “Reverse IP lookup” icon. Or a neater way is to copy/paste https://seopolarity.com/reverse-ip-domain-checker into the address bar of your search browser.
When the displayed page opens, enter the domain name. Yes, you do not need to enter an IP address; the reverse URL lookup utility will find the IP address of the domain you entered. It will list all domains that share that IP address and display them. You can click on any domain and it will open the website.

You can use reverse IP lookup for many purposes

• Find all domain names hosted on an equivalent IP address.
• Reverse Domain Name Lookup lets you know all websites share the same IP address. The IP address information is not displayed, only the domain name sharing the address
• Reverse IP address Lookup allows you to find domains hosted on your competitors' IP addresses.
• This utility can also be used to check your competitors' websites and see if they are using dynamic or static IP addresses and how many other sites are sharing the address. There are other tools on seopolarity.com with which you'll track who their web hosting provider is.
• Reverse IP address lookups often find other domains belonging to your competitors. This could be valid information about your competitor's domain in the case of Whois security.
• The reverse site lookup technique is also used to attack the server hosting the website. For example, if you want to attack a secure website, with reverse IP domain verification, you can know other websites hosted on the same IP address and find the least secure site to attack. the same server and can bypass the security check of the target site.

Website owners know their IP address, but if they have a dynamic IP address most websites do.

If you want to know which other websites are sharing your IP address, you need to run the reverse IP lookup utility.

The Reverse IP Address Lookup Utility will list all the domain names of websites that share your dynamic IP address. To do this, you will need to do a reverse IP address lookup. The reverse IP lookup command is executed when a visitor to your website complains that they are having trouble finding your site on the Internet.

When visitors complain or you get an error on your website, you contact your web hosting provider and report the problem to them. Or you can run reverse IP address lookups to find out which domains you share dynamic IP addresses with and see if those sites are active.

If they work well, you know that the problem is only with your site. In this case, you would check the HTML code of the website to see if there are any problems. If your site's code is correct and other sites sharing your IP address are working properly, your internet hosting provider will need to investigate and resolve your site's problem.

A website host can host multiple websites from a single IP address. This technique is used in shared hosting and the reverse domain name lookup technique is used to find the available DNS records of the webserver.

Need help with other website tracking tools? Try our free Server Status Checker,  Search Engine Spider Simulator, Class C Ip Checker.