Domain Checker

#!/bin/bash

# Check domain and send email and sms when domain is available for register.
# Requairment: 
#     whois linux coomand 
#     mutt linux coomand
#     clickatell.com acount
#
# You must added to your system cron :D, 
# I suggest lets cron run this script every 5th minute

DOMAIN_NAME='example.com'
MESSAGE="$DOMAIN_NAME is available"
YOUR_EMAIL='youremail@balabal.com'

API_KEY='xxxxxxx-xxxxxxxxxxxxxxx'
YOUR_PHONE_NUMBER='' # Enter complete number without '+' ro '00'
SMS_MESSAGE="$DOMAIN_NAME+is+available"

whois $DOMAIN_NAME | egrep -q '^No match|^NOT FOUND|^Not fo|AVAILABLE|^No Data Fou|has not been regi|No entri'
if [ $? -eq 0 ]; then
    mutt -s $MESSAGE $YOUR_EMAIL < /dev/null
    curl "https://platform.clickatell.com/messages/http/send?apiKey=$API_KEY&to=$YOUR_PHONE_NUMBER&content=$SMS_MESSAGE"
fi