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WHOIS is pronounced as "Who is" and it works as response protocol. This is widely used for querying database to know the owner of a domain of a website. This tool will let you know the domain name of the registered user, IP address block and it is also used for gathering a wide range of information on a website.
The tool, Whois checker was invented by Elizabeth Feinler and her team of professionals in the year 1970. She set up a server known as Standford's Network Information Centre or NIC. This directory was mainly used to retrieve necessary information about different entities.
Many of us take the help of this whois domain checker tool to search the domain names of an entity. This technology gets standardized in early 1980 to search for domains and other information related to a domain. At that time, only one centralized server was used for all types of WHOIS inquires. This has made searching for information quite easy.
The whois lookup IP checker was primarily operated with one command-line interface application. But in recent time, we can see a lot more web-based alternatives available to make things simple for us. There is a sister protocol which is known as RWhois.
The lookup model is used to store information by using either a thick or thin model. The thick model stores the entire WHOIS information and this way a WHOIS server can reply with all the data related to WHOIS on all .org domains. The next one is Thin WHOIS and this stores only the name of the registrar of a server.
For the domain name service, the importance of whois domain checker PHP script can never be ignored. This system assures stability and integrity and hence for lots of lawful procedures, this tool is considered extremely beneficial.
WHOIS is one such tool that plays its role being in the background when you build the online presence for your website. Now it's easy to know about a specific domain, for example, to know about its expiration date, registrant information, current registrar and many others with the use of WHOIS.