Today we’ll learn how to look up whois information of a website. We’re able to get whois information by proving domain name or IP address.
Table of Contents
Run this command to install whois on your machine:
# Debian (Ubuntu, Kali etc.) sudo apt install whois # Fedora (Red Hat, CentOS etc.) dnf install whois # OpenSUSE zypper in whois # Arch Linux pacman -S whois
Run this command to see all available options:
whois #or whois -h
-h HOST, --host HOST connect to server HOST -p PORT, --port PORT connect to PORT -I query whois.iana.org and follow its referral -H hide legal disclaimers --verbose explain what is being done --help display this help and exit --version output version information and exit These flags are supported by whois.ripe.net and some RIPE-like servers: -l find the one level less specific match -L find all levels less specific matches -m find all one level more specific matches -M find all levels of more specific matches -c find the smallest match containing a mnt-irt attribute -x exact match -b return brief IP address ranges with abuse contact -B turn off object filtering (show email addresses) -G turn off grouping of associated objects -d return DNS reverse delegation objects too -i ATTR[,ATTR]... do an inverse look-up for specified ATTRibutes -T TYPE[,TYPE]... only look for objects of TYPE -K only primary keys are returned -r turn off recursive look-ups for contact information -R force to show local copy of the domain object even if it contains referral -a also search all the mirrored databases -s SOURCE[,SOURCE]... search the database mirrored from SOURCE -g SOURCE:FIRST-LAST find updates from SOURCE from serial FIRST to LAST -t TYPE request template for object of TYPE -v TYPE request verbose template for object of TYPE -q [version|sources|types] query specified server info
Usage & Examples
The usage syntax of whois:
whois [OPTION]... OBJECT...
Domain name example:
The whois preview:That’s it. Thanks you. 🙂