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Online Blacklist Lookup – Instantly Check If Your Domain or IP Is Blacklisted
Being blacklisted can harm your email deliverability, website traffic, and overall online reputation. Our Online Blacklist Lookup tool helps you quickly check whether your domain or IP address is listed on any major spam or security blacklists.
Just enter your domain name or IP address, and the tool will scan dozens of popular DNS-based blacklists (DNSBLs), including:
Spamhaus
SORBS
Barracuda
UCEPROTECT
SpamCop
and more
The tool instantly shows you whether your site or server is listed, along with the blacklist source and current status. This information is crucial for email marketers, website owners, IT administrators, and hosting providers who want to maintain domain health and protect their email reputation.
If your IP or domain is listed, the tool can help you identify the cause—whether it's due to spam reports, malware, or misconfiguration—so you can take action to delist and prevent future issues.
No technical skills are required. Just type in your domain or IP and get results in seconds—free and without registration.
Protect Email Deliverability
Identify if your domain or IP is causing your emails to land in spam folders.
Maintain Website Reputation
Ensure your domain isn’t flagged for malicious or spammy behavior.
Prevent SEO Penalties
Being blacklisted can hurt your search engine visibility—stay clean with regular checks.
Quick & Reliable Results
Instantly scan multiple major blacklists and get a full status report.
Free & Easy to Use
No sign-up required—just enter your domain or IP and get instant insights.
