CertNotify

Monitor SSL certificates, domain expiry, DNS health, and security headers with real-time alerts.

CertNotify gives you one unified view of your internet-facing assets, applications and code — continuously detecting security risks, prioritising what matters, and telling you what to fix before it becomes an incident.

Monitor everything. Find risks early. Act before your users notice.

No complex setup. No agents to install. No credit card.

Type a domain and get an instant report on SSL validity, expiry date, TLS version, DNS records, and email authentication. No account needed.

Create a free account and add your domains to the dashboard. CertNotify checks them every 24 hours and logs changes over time.

Receive email or WhatsApp alerts at 30, 14, and 7 days before expiry — and immediately if DNS changes or your site goes down.

From certificate discovery to real-time alerting — the full security lifecycle, covered.

Track certificate chain integrity, issuer details, and expiry dates across all your domains. Alerts fire at 30, 14, and 7 days before expiry — giving your team time to renew without triggering a browser warning or causing a service outage.

Monitor domain registration expiry via live WHOIS data. Know before your domain lapses and your brand is at risk.

Detect outdated TLS 1.0/1.1, weak cipher suites, and misconfigured certificates with actionable remediation steps.

Verify DNS record integrity and DNSSEC implementation. Detect propagation issues across global re