DNS and email monitoring, alerting, and observability tools.
6 articles
Fleet inventory, enterprise ACME, endpoints no script can reload, Let's Encrypt rate limits and DCV reuse: the field playbook for SSL certificate renewal automation across 50 to 1,000 certificates.
Inventory, issuance, deployment, renewal, revocation, monitoring: the 6 phases of the certificate lifecycle, ACME/ARI automation, and an action plan to keep up with 47-day renewals.
In 2026, the status page is no longer a marketing tool. It is an admissible audit artifact for DORA, NIS2 and GDPR. A complete operational guide.
The 24 to 48 hour myth is wrong. The actual delay depends on TTL, and you can control it.
Diagnose, archive, share, then monitor: CaptainDNS now supervises the full lifecycle of a DNS query from the first lookup to automated watch jobs.
Ensure visibility of your domains by combining zone differences, active queries and propagation tests.