#!/bin/bash

Help()
{
   # Display Help
   echo "Automated recon script for Bug Bounty - author @maikroservice"
   echo
   echo "Syntax: recon.sh [-h|v|V] <targetdomain>"
   echo "options:"
   echo "h     Print this Help."
   echo "v     Verbose mode."
   echo "V     Print software version and exit."
   echo
}

if [ -z "$1" ]; then
    Help
    exit
elif ping -c 1 $1 &> /dev/null; then
        echo "Host reachable"
        host $1 |  grep -E -o "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"
else
    echo "host unavailable"
    exit
fi