is a script to detect subdomain online. So let us have a look on it usage.




curl -s -L | bash -s

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Subdomain Alive Check

curl -s -L | bash -s”

Fping Required

Nmap -sn (No port scan) scan live IP detection script

fping -f ip.txt

Usage bash ip.txt


nmap -sn -iL $1 |grep “Nmap scan report for”|grep -Eo “(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]?)”|sort -u |tee $1.txt

echo “Detect IP $(wc -l $1.txt|awk ‘{ print $1 }’ )” “=> result_${1}” “saved”
echo “File Location : “$(pwd)/”result_$1”

Sample usage

Usage 1(fping)fping dart

cat domains.txt | dnsgen – |fping|grep “alive”|cut -d ” ” -f1>resolvers.txt

Usage 2(httprobe ) dart

cat domains.txt | dnsgen – |httprobe|cut -d “/” -f3|sort -u |tee resolvers.txt