Domain Monitor: SSL & Uptime

Domain Monitor keeps an eye on your domains so you're the first to know when something goes wrong — not your users. Check any site from your phone whenever you like, or let Pro watch your targets automatically from the cloud, every 5 minutes.

Try Pro free for 1 month.

KEY FEATURES • On-demand checks — check domains and URLs from your phone: HTTP status, latency, TLS trust, SSL expiry, and redirect behavior. • HTTP, HTTPS, and TCP monitoring — websites, APIs, and TCP ports (TCP needs a free account). • Search and filter — find any monitor fast and filter your list by Up, Warn, or Down. • Keyword rules — up to 3 per monitor, each checking that text must, or must not, be on the page. Try them on any manual check; Pro watches them automatically and alerts you when one fails. • Domain expiry — see when each domain's registration runs out. Pro alerts you 30, 7 and 1 day ahead. • Home-screen widgets — your monitors' status at a glance. • No account needed for manual checks — they run directly from your device. • Automatic cloud monitoring (Pro) — your targets are checked every 5 minutes from the cloud, and every failure is re-checked before you're alerted. No need to open the app. • Push & email notifications (Pro) — alerts for downtime, recovery, latency spikes, failed keyword rules, and SSL and domain expiry. • Latency trends (Pro) — a 24-hour trend line on every monitor card, plus a detailed latency chart for each monitor. • Reachability history & incidents (Pro) — up to 90 days of daily reachability and every recent incident with how long it lasted. • Check from this device (Pro) — a second opinion from your own network, alongside the cloud checks. • SSL certificate inspection (Pro) — subject, issuer, SANs, validity dates, serial number, public key, and SHA-256 fingerprint. • Traceroute (Pro) — schedule a traceroute on the next cloud check and see the network path hop by hop. • Public status page (Pro) — share a simple status view for selected targets.

PLANS Free (no account): Manual checks on up to 5 targets. No account needed — up and running in under a minute. Free (with account): Save up to 30 targets and access them across all your devices. Pro ($1.99/month): Cloud monitoring every 5 minutes, push and email alerts, automatic keyword rules, domain expiry alerts, latency trends, up to 90 days of reachability history with incidents, checks from your own device, traceroute, full certificate details, and a public status page — for up to 30 targets. Includes a 1-month free trial.

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