Domain Signal Monitor continuously checks your domain's availability and notifies you when your website becomes unreachable, helping you identify issues quickly and minimize downtime.
Domain Signal Monitor is built to help website owners, businesses, and developers keep track of their domain availability. Our monitoring system checks whether your website is reachable and promptly notifies you if it detects downtime, allowing you to investigate and respond as quickly as possible.
Whether you're monitoring a single website or multiple domains, our simple dashboard provides a clear view of your monitored domains and their current status, making it easier to stay informed without unnecessary complexity.
From the moment a request hits your server to the certificate that secures it, Domain Signal Monitor keeps eyes on the parts that actually cause outages.
Scheduled checks confirm your site loads and responds the way it should, from checkpoints across the globe.
Track domain status, expiry, and DNS record changes so nothing lapses or resolves incorrectly without warning.
Get ahead of certificate expiry with reminders well before a browser ever shows a visitor a warning.
Track response codes and latency on the API routes your product actually depends on.
Share a live, branded status page so your users always know where things stand — without a support ticket.
Watch servers and network endpoints from a single dashboard alongside your domain data.
Stop switching between five tools. See every domain's status in one centralized view.
From a single side project to a portfolio of client sites, plans adapt to what you're watching.
Email, SMS, or chat notifications land within seconds of a detected change.
Uptime history and incident logs are laid out plainly — no confusing jargon.
| Domain | Uptime | Status |
|---|---|---|
| yourbrand.com | 99.99% | Up |
| shop.yourbrand.com | 99.87% | Up |
| api.yourbrand.net | 97.20% | Degraded |
| status.yourbrand.io | 100% | Up |
Track domains, websites, APIs, and services through tools designed to surface what matters, when it matters.
Checks run as often as every 30 seconds from multiple global regions.
Explore plans →Email, SMS, Slack, and webhook notifications the moment status changes.
Explore plans →Advance reminders before certificates or domain registrations lapse.
Explore plans →Uptime history, response trends, and downloadable incident reports.
Explore plans →Track your domain’s uptime, performance, and availability with real-time monitoring and instant alerts.
Can't find what you're looking for? Our support team is online 9am EST - 9pm EST Monday-Friday, 9am EST - 6PM EST Saturday.
Contact SupportAdd your first domain in under two minutes — no credit card required to start.