🚫 CBL Abuseat
Guide to the CBL (Composite Blocking List) by abuseat.org: why IPs are listed as spam bots and how to delist.
IP Blocklist (RBL)
cbl.abuseat.org
ℹ️ About This Blocklist
The Composite Blocking List (CBL) lists IPs that have exhibited characteristics of spam bots or malware, typically machines that have tried to deliver spam directly. CBL data is incorporated into the Spamhaus XBL.
What a Listing Means
This IP has exhibited automated spam-sending behaviour consistent with a compromised machine or mail bot. The source is likely infected with malware or running a spam script.
🔢 DNSBL Return Codes
When listed, the DNSBL returns one of these 127.x.x.x addresses. The specific code indicates the reason for the listing.
| Return IP | Meaning |
|---|---|
| 127.0.0.2 | Listed in CBL — automated spam source / bot behaviour detected |
✅ How to Request Delisting
Look up your IP on the CBL lookup page to confirm the listing and get specific guidance. Remove the malware or spam-sending software, then request removal. The CBL will verify the issue is resolved before delisting.
Request Removal from CBL Abuseat ↗📚 Official Documentation
🔍 Check Your IP or Domain Against CBL Abuseat
Run a live blacklist check against all 17 blocklists we monitor, including CBL Abuseat.