Chapter-19, LEC-6 | Whois Lookup | #ethicalhacking cybersecurity #cybersport #education

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Whois lookup is a process that involves searching a database to retrieve information about the owner of a domain name, IP address, or autonomous system number (ASN). The Whois database contains contact and registration information for millions of domain names and IP addresses around the world.

Whois lookup can be used for a variety of purposes, including identifying the owner of a domain name or IP address, verifying domain name registration information, and investigating potential cases of trademark infringement or other forms of online abuse.

To perform a Whois lookup, users can use a variety of tools available online. These tools typically require the user to enter a domain name, IP address, or ASN, which is then used to search the Whois database for relevant information. The information returned by a Whois lookup can include the name and contact information of the domain name owner, the registration date and expiration date of the domain name, the name servers associated with the domain name, and other technical information.

Whois lookup can be a useful tool for network administrators, cybersecurity professionals, and law enforcement agencies. It can help identify the source of potential security threats or online abuse, and can also provide valuable information for intellectual property and trademark infringement investigations.

However, it is important to note that some domain name registrars and registry operators offer privacy protection services that allow domain name owners to keep their personal information hidden from public Whois searches. As a result, the information returned by a Whois lookup may not always be complete or accurate.