check domain availability

whowas

#!/bin/bash

if [ "$#" == "0" ]; then
    echo "You need to supply at least one domain name!"
    exit 1
fi

DOMAINS=(
'com' \
'me' \
'us' \
'org' \
'it' \
'sk' \
'sh' \
're' \
'io' \
'in' \
'co'
)

ELEMENTS=${#DOMAINS[@]}

while (( "$#" )); do

  for (( i=0;i<$ELEMENTS;i++)); do
    domain=$1.${DOMAINS[${i}]}
    printf $domain
    ipaddress=`dig $domain +short`
    if [[ "$ipaddress" == "" ]]; then
      whois $domain | egrep -q '^No match|^NOT FOUND|^Not fo|AVAILABLE|^No Data Fou|has not been regi|No entri|is availablef for'
      if [ $? -eq 0 ]; then
        printf " : available" 
      fi
    fi
    echo
  done

  shift

done