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SSLCanary

Monitors SSL certificate and domain-name expiry and warns before either lapses to prevent downtime and domain loss

sslcanary.comSecurity MonitoringAug 2026Tallinn, EstoniaRapid Ventures OÜ

A hosted monitoring service that tracks SSL certificate and domain-name expiry dates and sends advance warnings to prevent sites going down or domains being lost. It is for agencies, freelancers, small IT teams and portfolio owners who manage many domains across multiple registrars and hosts. It is delivered as a cloud service with no installation, checking public endpoints on a schedule and delivering alerts by email, chat tools or webhook.

Key features

  • SSL certificate expiry monitoring
  • Domain-name expiry monitoring
  • Plain-language status reporting
  • Full certificate chain checking
  • Bulk add via CSV Excel Google Sheet
  • Groups and tags organization
  • Client access and roles
  • Sortable dashboard for all domains
  • Per-client printable reports
  • Check from chosen region
  • REST API management
  • Alerts via email Slack Teams Discord Telegram webhook
  • Configurable alert lead times
  • Weekly digest summary
  • Full alert delivery history
  • Can't-check separate notices
Social posts
  • No social media activity detected
GTM channels
  • No GTM activity detected
ICP
  • Agencies
  • Freelancers solopreneurs
  • IT teams