Project

PSBlackListChecker

Basic functionality of this module is ability to quickly verify if given IP address is on any of over 80 defined DNSBL lists. Below code will return results only if IP is on any of the lists. Advanced functionality of this module is ability to send reports to your email when things get bad on one of those 80 defined DNSBL listrs.

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Releasev0.8.7

Language: PowerShell Updated: 2026-02-14T21:19:06.0000000+00:00

Documentation

PSBlackListChecker Docs

Curated documentation workspace for PSBlackListChecker.

PSBlackListChecker checks IP addresses against DNS blocklists and can support lightweight reporting workflows.

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Notes

Treat blacklist checks as signals to review, not as the only source of truth for mail-delivery decisions.
Curated examples stay under /projects/psblacklistchecker/examples/.