Certly
SSL & domain monitoring that warns you weeks before your customers notice.
What is Certly?
Certly monitors SSL certificates, domains, and DNS records to prevent expiration-related outages before they impact customers. It checks what servers actually serve daily and sends alerts via Slack, Discord, or email at 30, 14, 7, and 1 day before expiry. Built for DevOps teams and website operators who need proactive certificate and domain lifecycle management.
Need help implementing Certly?
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Key Features of Certly
- SSL certificate expiry monitoring
- Domain expiry tracking
- DNS & DNSSEC monitoring
- Multi-channel alerts (Slack, Discord, email)
- Customizable alert timing (30, 14, 7, 1 day)
- One-click domain addition
- No agent installation required
- Dashboard with expiry timeline
- Live demo available
- Daily automated checks
Who Should Use Certly?
Prevent SSL certificate expiration outages
Monitor domain renewal deadlines
Track DNS configuration changes
Set up DNSSEC compliance monitoring
Manage multi-domain infrastructure from one dashboard
Automate certificate renewal reminders across teams
Certly: Pros & Cons
✓Pros
- No login required for initial free check
- No agent installation or DNS changes needed
- Quick 10-second domain setup
- Multi-channel notifications (Slack, Discord, email)
- Detailed timeline of DNS changes
- Checks what servers actually serve, not just records
- Free tier available
- Live demo to test before signing up
Frequently Asked Questions about Certly
How quickly does Certly alert me before a certificate expires?
Certly sends alerts at 30, 14, 7, and 1 day before expiry, giving you weeks of notice before customers see any warning page.
Do I need to install an agent or change DNS to use Certly?
No. Simply paste your domain into Certly and it checks what your servers actually serve within ten seconds.
What does Certly monitor besides SSL certificates?
Certly monitors SSL expiry, domain expiry, DNS records, and DNSSEC configuration against what your servers actually serve daily.
Where can I receive notifications from Certly?
You can get alerts via Slack, Discord, or email at customizable intervals.
Is there a free way to try Certly?
Yes. You can run a free check with no login required, or use the live demo to explore the dashboard before creating an account.
Tool Details
- Pricing
- Free
- Category
- Ssl Tools
- Added
- Jul 2026
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