Sentinel
Uptime, SSL, DNS & Domain Monitoring - Before Your Customers Notice·senti.solutions
From £12/mo · No free plan (7-day trial) See pricing ↓
Sentinel monitors HTTP uptime and response times, SSL certificate expiry and validity, DNS configuration and record changes, and domain registration expiry, all from one dashboard. It sends real-time alerts via email, SMS, phone call, Slack, Microsoft Teams, Discord, and webhooks the moment something changes. It is built for SaaS founders and digital agencies who do not have a dedicated DevOps team, with setup taking under a minute.
What it's for
Features 14
- Configurable polling frequency
- DNS configuration audit and record change detection
- Domain expiry (WHOIS) monitoring
- Heartbeat monitoring for cron jobs and scheduled tasks
- HTTP uptime and response time checks
- Multi-channel alerts (email, SMS, phone call, Slack, Microsoft Teams, Discord, webhooks)
- No-code automation workflows
- Per-monitor notification contact configuration
- Role-based access control
- SSL certificate expiry and validity monitoring
- Team management with roles and permissions
- Third-party integrations including Slack, Microsoft Teams, and custom webhooks
- Trended logs and uptime percentage reporting
- Two-factor authentication
At a glance
Integrations
Pricing
Prices are stated in GBP (£12/month Individual, £30/month Team, £65/month Agency). The Individual plan includes a 7-day free trial.
Includes a 7-day free trial.
20 Monitors, 1 Login, 60 second polling minimum, Domain and SSL Monitoring without Details/History, 2 Notification Contacts
Marked as 'Most Popular' plan.
100 Monitors, 10 Logins, 60 second polling minimum, 20 Notification Contacts
Designed for agencies managing multiple client environments.
250 Monitors, 25 Logins, 30 second polling minimum, 50 Notification Contacts
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