REVERSE IP DOMAIN CHECK
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Every website has an IP address, and it’s the IP address by which search engines locate websites. An IP address is the internet address of any device that’s connected to the internet. The IP address is a numerical address and consists of four sets of numbers and each set can range from 0 to 255 and the sets are separated by a (.). For example, 220.127.116.11 is a valid IP address.
This IP addressing system was designed and implemented in the early years of the internet. If this addressing system were not made a standard and used for providing numeric addresses to devices connecting to the internet; the internet would never have taken off.
Any device be it your smartphone, tablet or laptop; when you connect it to the internet, it is provided by an IP address by your internet service provider. There are two types of IP addresses that are assigned to websites and other devices. A website owner may opt to get a static address, which means that the IP address will be a fixed address and will not change for the lifetime of the website. Website hosting service providers charge a higher rate for assigning static IP addresses.
The second type of IP addresses is known as dynamic addresses. Internet service providers purchase a pool of dynamic address as well as static addresses. Whenever a customer of the internet service provider connects to the internet, the provider assigns an available IP address from the pool of available dynamic IP addresses. Dynamic IP addresses cost less than static IP addresses. Every IP address in the pool is shared, and the IP address servers of the internet maintain a database of the domains that are sharing an IP address.
How this works is that when a user requests a site and the request is passed on via the servers on the internet to the web hosting server of that site, and the IP address is in use with another site. The hosting server will provide another available IP address from its pool to the website. Dynamic IP addresses are temporary addresses and not permanent addresses.
When you send a request to open your email, your computer sends the request to another computer which will find your email service provider and forward your request. Your email server will confirm your request and set up the connection. Now you can view your emails. It is a straightforward explanation of how devices communicate with each other on the internet. All the network servers use the IP addresses to find devices and connect them.
When you travel, you will take your smartphone and laptop with you, but not your IP address. You will use the IP address that will be assigned to you in the hotel where you stay or the coffee shop you stop at. Your smartphone service provider will assign you a dynamic IP address as you travel and hop from one location to another.
If you own a website and you have purchased a dynamic (Shared IP address) for your site from your internet hosting service provider, your website's name will be listed with the IP address on the internet. It means that now your website is visible to others on the internet.
You can find your website's IP address by using the application in smallseotools.com.
Website owners know their IP address, but if they have a dynamic IP address, which most websites do. They don’t know who else is using the shared IP address. If you want to know which other websites are sharing your IP address, you have to run a reverse IP utility.
What the reverse IP utility will do is that it will list all the domain names of the websites that are sharing your dynamic IP address. To do this, you will need to perform a reverse IP address lookup. A reverse IP lookup command is run when your website visitors complain that they are facing problems in finding your website on the internet.
When a visitor complains, or you get an error on your website, you get in touch with your web hosting service provider and tell them about the issue. Or you run a reverse IP address utility find out the domain names that you are sharing a dynamic IP address with and see if those sites are working.
If they are working fine, you know that the problem is with your website only. In this case, you will check the HTML code of your website to check if there's no problem with it. If your website's code is ok and other websites sharing your IP address are working fine, it's your internet hosting service provider who will need to investigate the problem with your website and fix it.
To run a reverse IP domain check go to smallseotools.com from your search browser and find the 'Reverse IP domain check' icon and click on it. Or an easier way would be to copy/paste smallseotools.com/reverse-ip-domain-check in the address bar of your search browser.
Once the display page opens, enter the domain name. Yes, you don't need to enter the IP address; the utility will find the IP address of the domain that you have entered. It will list all the domains that are sharing that IP address and display them. You can click on any domain name, and it will open the site. Not only do you get to know who all is sharing the IP address, but also the number of sites that are sharing it. The IP address information is not displayed, only the domain names sharing the address.
This utility can also be used to check on your competitors' websites and see if they are using dynamic or static IP address and how many other sites are sharing the address. There are other tools in smallseotools.com by which you can trace who their web hosting service providers are.