IP Blacklist Check
Check if an IPv4 address appears on popular DNSBLs (Spamhaus, SORBS, Barracuda, and more).
Tip: you can also paste a full URL, we’ll extract the host and resolve its IPv4.
What we check
- Dozens of common DNS blacklists (DNSBLs)
- Clear pass/fail per list
- Total “listed” count
Good to know
- Primarily IPv4 (most DNSBLs target IPv4)
- We try to resolve host → IPv4 if you paste a domain
- IPv6 support varies by list
IP Address Blacklist : It is a list of IP addresses or domains that are known sources of spam. Blacklisting occurs for any reason, usually when there is a suspicion of sending spam to an IP address. Continuously blacklisting will affect your IP reputation because your IP address will be recognized as a regular source of spam.
This tool will show you the list of spam reporting services colored in Red by which your IP Address is blacklisted.
Learn more about the IP Address Blacklist