Lab

Whois:-

client for the whois directory service. it provide owner,technical contact of virtually any public domain name. whois is protocol use for searching server of specified object. whois searches for an object in a RFC 3912 database.If no guess can made then it will connect to whois.networksolutions.com for NIC handles or whois.arin.net for IPv4 addresses and network names.

Usage:-

whois [OPTION]... OBJECT..[-h host] [-p port] [-alLMmcxbBGdKrR] [-i ATTR] [-T type]

Options:-

1. whois domain_name/IP_addr

ex. whois ubuntu.com

It gives register domain information owner ,technical contacts.

2. whois --version

Gives version information.

3. whois [-p port] domain_name

This command allow to used specified port as menstion in command.By default it uses port 43.

4. whois –v domain_name

Verbose display. It display output in detailed manner , what is being done.

5. whois –H domain_name

It use to hide legal disclaimers information.

6. whois --help

Use for online help.