C
CertPilot

Tool / Watchtower

CertPilot Watchtower

Paste up to 25 client domains, check SSL expiry dates, and generate a calendar feed your team can subscribe to.

Use Watchtower before a certificate change window, client handover, or monthly operations review. It observes public certificate dates and creates reminders; it does not issue, install, renew, or rotate certificates.

Free
→ No login
Input
→ Up to 25 domains
Output
→ SSL expiry + ICS

Input / Domain portfolio

Run an SSL expiry check

Add one URL or domain per line. Watchtower normalizes paths, removes duplicates, and checks the public certificate for each valid hostname.

Capacity
→ 25 domains
Mode
→ Live check
0/25 entered

Paste URLs or bare domains — https:// and paths are stripped automatically.

One-time live check · public TLS certificate data · no account required

Method / Scope

What Watchtower records

A focused public-certificate check with an explicit boundary between a one-time utility and ongoing CertPilot monitoring.

What this free tool checks

  • Live SSL certificate expiry date
  • Certificate issuer
  • Days remaining until expiry
  • Calendar reminders for future expiry dates

What paid CertPilot adds

  • Daily automated monitoring — no manual runs
  • DNS record change detection
  • Domain registration expiry tracking
  • Client grouping across your agency
  • Daily digest emails
  • Branded PDF reports for clients
Start free trial

Evidence boundary

For ongoing governance evidence, move the domains into a CertPilot workspace so ownership notes, SSL readiness, review dates, and evidence reports sit beside the public certificate check.
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