Get Info From DNS Servers and Active Hosts

whois-tool-script.sh

#! /bin/sh
mkdir /WHOIS-DB
mkdir Whois-$(date +'%F') || echo 'Folder Already Exist!' ;

cd /WHOIS-DB ; echo "WorkingDir.: $(pwd)"
apt install pv whois -y  

echo -e 'inetnum:\ninetname:\ne-mail:\nnetname:\ndescr:\nrole:\nroute:\nnserver:\ndomain:' > matchfile
read -p 'Set Host List.: ' in_path 

    while read host
    do 
  	echo "Host: $host"
    whois -adB  $host > $host-whois-DNSrevadd-$(date +'%F-%R-hrs').txt
    done < $in_path

# Working with data
mv -vi *.txt  Whois-$(date +'%F')
cd Whois-$(date +'%F') ; 
echo  "WorkdingDir.: $(pwd)" ; sleep 3s | pv -t

#MAKES A FILTER TO THE WHOLE FILES CREATED
grep -H -f "../matchfile" *.txt  > ../Datafilted-v$(date +'%R-hrs').xlsx
ls /WHOIS-DB/*.xlsx