Gainsight CNAME List

The .csv was generated performing a lookup on 1300 common tech domains. This is only to provide a potential 3rd-party blast radius while details are becoming available. It is not exhaustive, a condemnation, or indicator of a breach.

Breach Timeline and Sources

• 2025-11-20: Salesforce investigates customer data theft via Gainsight breach (bleepingcomputer.com)

Please take into consideration:

• The record could be stale.
• They re-used the record for another service.
• The service was a proof-of-value or non-prod.
• An org could have Gainsight under another domain.

Source: Gainsight NXT Email Configuration

Files

Gainsight CNAME Lookup