Blacklist Checker
Check if your domain or IP is blacklisted on major spam databases. Use our free Blacklist Checker to scan across DNSBLs and email blacklists in seconds and maintain a healthy sender reputation.
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Blacklist Checker – Check If Your Domain or IP Is Blacklisted
Is your website or email not reaching inboxes? It could be blacklisted. Use our Blacklist Checker to instantly see if your domain or IP address is listed on DNS-based blacklists (DNSBLs). Get results fast — no technical skills needed.
💡 What Is a Blacklist Checker?
A Blacklist Checker is a tool that scans your domain or IP against multiple spam blacklists and security blocklists used by:
Email services (like Gmail, Outlook, Yahoo)
Spam filters and firewalls
Security networks and DNS servers
Being blacklisted can cause your emails to go to spam or your site to be blocked — even if you're not doing anything wrong. This tool helps you detect and fix the issue before it harms your reputation.
⚙️ How the Tool Works
Enter a domain name or IP address
The tool checks multiple DNSBLs and spam databases
You’ll see:
Whether you’re blacklisted
Which services have flagged you
Links to delisting or dispute pages
This is a must-have tool for email marketers, server admins, and website owners.
✨ Features
Scans across 50+ popular blacklists
Fast, accurate results
Supports both domains and IP addresses
Delisting guidance included
100% free and easy to use
🧠 Who Should Use This Tool?
Email marketers checking delivery issues
Website owners protecting reputation
System administrators managing mail servers
SEO specialists analyzing domain trustworthiness
Anyone sending emails or hosting content online