How to Look Up Website Information (Whois) in Linux
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
Installing Whois
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 whoisOptions
Run this command to see all available options:
whois
#or
whois -hThe options:
-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 infoUsage & Examples
The usage syntax of whois:
whois [OPTION]... OBJECT...Domain name example:
whois mynotepaper.comIP example:
whois 104.24.109.192The whois preview:
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