Résolution de nom de domaine en masse

Mass_DNS_Resolution.sh

#!/bin/bash

if [ $# -lt 2 ]; then
    echo "Usage: $0 input_file output_file"
    exit 1
fi

input_file=$1
output_file=$2

while read -r domain; do
    ip=$(ping -c 1 "$domain" | awk -F'[()]' '/PING/{print $2}')
    if [ -n "$ip" ]; then
        echo "$domain,$ip" >> "$output_file"
    fi
done < "$input_file"