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The SMTP IPv4 DNS Block List

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The IP.v4BL.org DNS list is now closed to direct public access - please continue to use the FREE.v4BL.org DNS list instead.
Click here to see our usage policy.

Current DNS list return codes:
127.0.0.2 = [SPAM]
127.0.0.3 = [rDNS | FCrDNS | Domain]
127.0.0.4 = [HACKING]
127.0.0.5 = [AUTH ABUSE]

Text file with recently listed 127.0.0.4 [HACKING] IPs
If you are making good use of this file and would like to have access to larger recently listed IPs, just let us know.


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