https://pingzen.dev/blog Guides, tutorials, and product updates on uptime monitoring. en Thu, 04 Jun 2026 00:00:00 GMT https://pingzen.dev/blog/cloudflare-challenge-detection https://pingzen.dev/blog/cloudflare-challenge-detection Thu, 04 Jun 2026 00:00:00 GMT When a site sits behind a Cloudflare JavaScript/Turnstile challenge, PingZen now says so explicitly — and tells you exactly how to stop the false DOWN. https://pingzen.dev/blog/parked-domain-detection https://pingzen.dev/blog/parked-domain-detection Thu, 04 Jun 2026 00:00:00 GMT An expired domain or unpaid hosting bill replaces your site with a parking page that still returns HTTP 200 — so classic uptime monitoring stays green while visitors see a dead site. Here is how PingZen catches it. https://pingzen.dev/blog/ssl-certificate-expiry-monitoring https://pingzen.dev/blog/ssl-certificate-expiry-monitoring Thu, 04 Jun 2026 00:00:00 GMT An expired TLS certificate takes your whole site down and scares away every visitor. Here is how to monitor certificate expiry and get alerted days in advance. https://pingzen.dev/blog/lan-monitoring-private-probes https://pingzen.dev/blog/lan-monitoring-private-probes Thu, 28 May 2026 00:00:00 GMT Public monitoring services can't reach 10.x or 192.168.x addresses. Private probes let you watch internal databases, NAS boxes, and intranet apps from the same dashboard.