Blacklist Checker - Check if Your IP or Domain is Blacklisted

Check if your domain or IP is listed on 28+ reputable DNS-based blacklists (DNSBL/RBL). Monitor email sender reputation and identify potential deliverability issues.

Key Features

  • Check 28+ DNSBL/RBL databases
  • Domain and IP blacklist check
  • Real-time status monitoring
  • Delisting instructions
  • Reputation score analysis

Use Cases

  • Email deliverability monitoring
  • Sender reputation check
  • Spam prevention
  • Server IP reputation audit

Login Required

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Blacklist Checker

Check if your domain or IP address is listed on 24 reputable DNS-based blacklists (DNSBL/RBL). Being listed can affect email deliverability and sender reputation.

Domain or IP Address

Enter a domain or IP address. Example: google.com, 8.8.8.8

Quick Check Mode

Recommended

Checks 7-8 critical blacklists (Tier 1) in ~2-3 seconds

Checking blacklists...
Querying 7-8 critical blacklists (Tier 1 only)

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About Blacklist Checker

This tool checks if your domain or IP address is listed on 24 reputable DNS-based blacklists (DNSBL/RBL) including Spamhaus, Barracuda, SpamCop, and Abusix. Being listed on blacklists can severely impact your email deliverability and sender reputation. Regular monitoring helps maintain good email health and identify potential security issues.

Tier Icons: 🔵 Critical (Tier 1) • 🟧 Important (Tier 2) • 🟩 Additional (Tier 3)