Försöker få fram ett shell skript som kontrollerar om flera domäner omdirigerar till en ny domän

expressen.se
aftonbladet.se
wellness.se

#!/bin/sh

filename="domains.txt"  # Replace with the filename of your domain list

while IFS= read -r domain; do
  url="http://$domain"  # Prepend http:// to the domain

  # Remove http://, https://, and www prefixes from the domain
  domain=$(echo "$domain" | sed -e 's~^https\?://~~' -e 's~^www\.~~')

  response=$(curl -L -s -o /dev/null -w "%{url_effective}" "$url")

  if [ "$response" != "$url" ]; then
    echo "$domain is redirecting to another domain"
  else
    echo "$domain is not redirecting to another domain"
  fi
done < "$filename"