Understand what keeps a fleet healthy.

Practical guides to the signals, inventory and approvals behind managed infrastructure.

Read an inbox’s verdict

Learn when an inbox is healthy, slipping or resting, and what brings it back to the fleet.

Understand the difference between a registration date and a documented domain history.

See how reserve inventory and billing dates inform a replacement plan.

See which changes queue on Decisions, and what scoped API keys can read or do.