How to test domain/IP after delisting?

After delisting, thorough testing confirms the removal took effect and identifies any lingering issues.

First, verify removal through the blocklist's own lookup tool. DNS propagation may cause delays, so check multiple times over several hours if initial results are inconsistent.

Use multi-list checking tools like MXToolbox to ensure you are clear across all major lists, not just the one you knew about.

Send test messages to seed accounts across major providers. Monitor whether messages reach the inbox. Use services like GlockApps or Litmus to test placement systematically.

Watch your bounce rates closely in the days following delisting. Elevated bounces may indicate some destinations have not updated their cached blocklist data.

Continue blocklist monitoring to catch any quick relisting that might indicate unresolved issues.

Verify, test, and watch. Trust but verify that your harbor access has truly been restored.

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