IP Blacklist Check

An IP blacklist is a database of IP addresses known to send spam, distribute malware, or engage in other abusive behavior online. These blacklists are used by email providers, network administrators, and firewalls to block unwanted traffic. If your IP is listed, your emails may be rejected or marked as spam, and your server might be blocked from connecting to other systems. Using an IP black list checker helps you detect this early and take action.

You can easily check black list IP status using the Pixelscan IP black list checker. It will scan your IP across dozens of DNS-based blacklists (DNSBLs). Within seconds, you'll see whether your IP is listed and where.

There are several reasons your IP could appear on a black list:

• Your network may have been infected with malware or used to send spam.
• You're using a shared IP that was previously abused by someone else.
• You sent a large number of emails that were marked as spam.
• You use weak security settings that allow others to misuse your IP.

A black list IP check helps you pinpoint the issue so you can investigate the root cause and prevent future listings.

To remove your IP from a black list, follow these steps:

• Use our black list IP checker to identify where your IP is listed.
• Visit the website of each blacklist that flagged your IP.
• Follow their instructions—some offer automatic removal if the issue is resolved; others require a manual request.
• Ensure your system is clean and secured to avoid repeat listings (e.g., run malware scans, update server configs).
• Monitor your IP with a regular IP black list check.