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SSL monitoring insights, guides, and updates.
July 25, 2026 · 6 min read
Your Domain Expired: What Happens Next and How to Recover It
A lapsed domain takes down your website, email, and every subdomain at once. Whether you're in the grace period or the redemption window, here's what the recovery timeline looks like — and where it becomes irreversible.
July 20, 2026 · 6 min read
SSL Certificate Expired: How to Fix ERR_CERT_DATE_INVALID
Your connection is not private. ERR_CERT_DATE_INVALID. NET::ERR_CERT_DATE_INVALID. All three mean the same thing: the SSL certificate on your server has expired. Here's how to confirm it, fix it, and stop it happening again.
July 13, 2026 · 5 min read
How to Check SSL Certificate Expiry Date (3 Ways)
Browser, command line, or online tool — three ways to check when an SSL certificate expires, and what each one actually tells you about the certificate being served.
July 8, 2026 · 6 min read
Cloudflare SSL Handshake Failed: How to Fix Error 525 and 526
Error 525 means Cloudflare couldn't complete a TLS handshake with your origin. Error 526 means it reached the origin but rejected the certificate. Here's how to diagnose which one you have and fix it.
July 6, 2026 · 5 min read
How to Set Up SSL Expiry Alerts (Without Installing Anything)
Most sites either have no SSL expiry alerts, or alerts that fire too late to act on. Here's how a proper alert window works — and why 'auto-renewal is on' is not the same thing.
July 3, 2026 · 5 min read
Your SSL Is Fine. Your Domain Just Expired.
SSL certificates and domain registrations expire independently, from different vendors, with different failure modes. Monitoring one does not protect you from the other.
June 16, 2026 · 5 min read
Why Let's Encrypt Auto-Renewal Fails (And How to Catch It)
Let's Encrypt is supposed to renew certificates automatically. When it silently fails, your site goes down with a security warning. Here are the most common failure modes and how to catch them before your visitors do.
June 8, 2026 · 5 min read
How to Monitor SSL Certificates for Multiple Client Sites
If you manage SSL certificates across 10, 20, or 50 client websites, manual tracking doesn't scale. Here's how to monitor them all without storing a single credential.
June 4, 2026 · 4 min read
SSL Certificates Just Got a Lot Shorter — What It Means for Agencies
The CA/Browser Forum reduced SSL certificate lifespans from 398 days to 200 days. By 2029 it drops to 47 days. Here's what that means for agencies managing client sites.