Run Masscan on subdomains

run_masscan.sh

#!/bin/bash
for i in `cat domains`;
do
j=`dig +short $i | tail -n1`
echo $j >> domain_ip.txt
done
for k in `cat domain_ip.txt | sort -u`
do
echo "Trying scanning hostname" $k
if [ -z "$k" ]
then
      echo "No ip present corresponding to hostname" $k
else
      echo "scanning" $k;
masscan -p1-65535 --banners $k --max-rate 1000 | tee -a domain_port_scan;
fi
done

Cool