Tag: port 43
What is WHOIS?
by cisspfix on Oct.21, 2009, under CISSP, Security
WHOIS is a famous protocol chiefly used for database query to determine the information of Internet resources like domain name, IP address, or any autonomous address. WHOIS lookup is basically performed with command user interface. Many web-based tools are available to perform WHOIS query. This service is usually communicated using the Transmission Control Protocol (TCP). Server listens to the request on the port number 43. The WHOIS system is originally developed for the system administrator to acquire contact information for different IP address or domain name administrators. Now a days WHOIS lookup query evolved into various different important aspects, including:
