Pler - Domain Probe and Cloudflare Filter Tool

<img width="1104" height="503" alt="image" src="https://github.com/user-attachments/assets/13220e61-dc9b-4523-988e-5b0151db6f1d" />

Pler is a simple yet powerful Python script to check whether a domain is using Cloudflare.
It is useful for bug bounty hunters, pentesters, or OSINT purposes, as it can filter results according to your needs.

---

✨ Features

• Multi-threading → fast domain checks.
• IPv4 & IPv6 support.
• Result filtering → only IP, only domain, or domain + IP.
• Cloudflare detection → quickly identify domains behind Cloudflare.
• Unknown mode → show domains that cannot be resolved.
• Save output to file for later use.
• Silent Mode

---

📦 Installation

Clone the repository and install dependencies:

git clone https://github.com/justakazh/pler.git
cd pler
pip install -r requirements.txt

Or install directly from PyPI (if published):

pip install python-pler

---

⚙️ Usage

python3 pler.py [options]

Options

| Argument | Description | |----------|-------------| | -d, --domain <domain> | Target domain to check. | | -l, --list <file> | File containing list of domains (one per line). | | -t, --threads <int> | Number of threads (default: 3). | | -ft, --filter-type {ip,domain,domain_ip} | Output filter type. | | -su, --show-unknown | Show domains with unknown IP. | | -sc, --show-cloudflare | Show domains that use Cloudflare. | | -o, --output <file> | Save results to a file. | | -s, --silent | Disable banner & non-essential output. |

---

🖥️ Examples

Check a single domain

pler -d example.com

Check from a file

pler -l subdomains.txt

Check via STDIN

echo "example.com" | pler
cat subdomains.txt | pler

Show only IP addresses

cat subdomains.txt | pler -ft ip

Show only domains

cat subdomains.txt | pler -ft domain

Show only domains using Cloudflare

cat subdomains.txt | pler -sc

Show only unknown IPs

cat subdomains.txt | pler -su

Save results to file

cat subdomains.txt | pler -ft domain_ip -o result.txt

---

📜 License

This project is licensed under the MIT License.