#!/bin/bash

get_tool_name() {
    echo "RDNS Check"
}

get_tool_description() {
    echo "Perform reverse DNS (RDNS) checks on a domain or domains"
}

execute_tool() {
    result=""
    if [ -n "$domain" ]; then
        if [[ "$domain" == *$'\n'* ]]; then
            for single_domain in $domain; do
                process_domain "$single_domain"
            done
        else
            process_domain "$domain"
        fi
    else
        result="No domains specified."
    fi

    echo -e "$result"
}

process_domain() {
    local single_domain="$1"
    
    result+="\e[1mDomain:\e[93m $single_domain\e[0m\n"
    
    single_domain_ip=$(dig A +short "$single_domain")
    rDNS_result=$(dig +short -x "$single_domain_ip")
    
    if [ -n "$rDNS_result" ]; then
        result+="\e[1mRDNS Result:\e[32m $rDNS_result\n"
    else
        result+="\e[1mRDNS Result:\e[31m No RDNS record found.\n"
    fi
}