validate domain before subfinder on scope just `cat output.txt| cut -d':' -f1 | sort | uniq`

validat_w_curl.sh

#!/bin/bash

# Define the function to check web application for a domain
check_domain() {
    domain=$1
    echo "$domain"
    response=$(curl -sL -w "%{http_code}\\n" "$domain" -o /dev/null)
    if [ "$response" != "000" ]; then
        echo "$domain: $response"
        echo "$domain: $response" >> output.txt
    fi
}

# Export the function to make it available to parallel
export -f check_domain

# Run in parallel
parallel -a domains.txt check_domain