CertSonar

What it does

CertSonar monitors your SSL certificates, domain registrations, and DNS records around the clock. Get email, push, webhook, or Slack alerts 30, 14, and 7 days before anything expires — so your clients never see a browser warning or an offline site.

Monitor SSL certificates, domain expiry dates, and DNS health for all your websites. Get email, Slack, and push alerts before anything breaks. Free plan available. Launch offer: from €19/year (regular €29).

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