whois.sh

#!/bin/bash
#
# USAGE: sh whois.sh /path/to/file.txt
# RESULT: domain.com  ORG_NAME

for domain in `cat $1`

do
    # str_domain=${domain#www.} # strip a leading www.

    reg=`whois $domain | grep -i -A 1 "Registrant Name:" | tail -n 1`

    str_reg=${reg#Registrant Organization:} # strip line title

    echo "$domain \t $str_reg"

    # sleep 1
done