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IASE content is currently preparing to migrate to the DoD Cyber Exchange.
Please see for updates to PKI/E content until the DoD Cyber Exchange goes live.

Global Directory Service (GDS)

The Global Directory Service (GDS) is a distribution point for personnel public email encryption certificates, Certificate Authority (CA) certificates, and Certificate Revocation Lists (CRLs). This information, along with ancillary metadata, such as personnel email addresses, is available for search, retrieval, and downloads via the GDS website (aka DoD 411) at

For more information about GDS, please contact the GDS PMO at