Know the moment your site goes down
External checks run every minute worldwide. An incident is declared only when most probes agree—so you respond to real outages, not blips.
Explore uptime monitoringUptime & blacklist monitoring
HetrixTools Maximize uptime. Protect email reputation.
Websites, servers, IPs, and domains in one dashboard—with minute-by-minute checks, smart outage detection, and blacklist alerts before deliverability suffers.
- One account for uptime, server metrics, and blacklist status
- Alerts on 20+ channels including email, SMS, and phone
- Checks from up to 12 locations—outages confirmed before you panic
1 min
Global check interval for websites and servers
12
Monitoring locations to reduce false positives
20+
Alert channels so the right person gets paged
1
Dashboard for uptime, servers, IPs, and blacklists
Everything in one place
Uptime, server, and blacklist monitoring in one account
Stop juggling separate tools. HetrixTools gives operators the same alerts, status pages, and history whether you are watching a URL, a box in the rack, or an IP’s reputation.
Spot server issues before downtime
Deploy a lightweight agent on Linux, Windows, macOS, or shared hosting to track CPU, RAM, disks, network, RAID, and drive health—with warnings while there is still time to fix.
Monitor server metricsStay off blacklists and out of spam
See when IPs or domains land on major blocklists, with direct links to delisting pages. Microsoft SNDS monitoring shows how Microsoft views your sending reputation.
Protect deliverabilityBlacklist checks, live
Reputation monitoring that never sleeps
HetrixTools continuously scans major blacklists and updates status in near real time—so you are not the last to know when an IP affects inbox placement.
- All major DNS blocklists monitored for your IPs and domains
- Reports link straight to each provider’s delisting workflow
- SNDS tracking for Microsoft’s view of your sending IPs
System activity
Checks running now
Blacklist monitors refresh continuously—thousands of lookups per minute across the platform.
Last 60 seconds — monitor volume snapshot
Everything else you’d expect
Operational depth without tool sprawl
Branded status pages
Publish uptime and blacklist status with your branding so customers and stakeholders see transparency—not silence.
SSL and domain expiry
Get reminded before certificates and domains expire, and receive alerts when nameservers change unexpectedly.
Outage diagnostics
When something fails, review errors, ping and MTR samples, and a snapshot of what visitors saw—so you fix faster.
Maintenance windows
Schedule maintenance ahead of time, or start it with one click from an alert email to suppress noise during planned work.
Get notified anywhere
20+ alert channels
Route incidents to the channel your team actually checks—email, SMS, voice calls, chat apps, and more—using the same monitors and escalation rules.
Email
SMS
Phone
Slack
Discord
Telegram
PagerDuty
Webhooks
Start in a minute
From signup to first alert, fast
Add a URL, server, or IP. Pick notification channels. HetrixTools handles the rest—no heavy setup or separate products for blacklist vs uptime.
Create free accountWhat teams rely on
Built for operators who cannot afford surprises
Hosting providers, agencies, and in-house IT teams use HetrixTools to catch downtime and reputation issues before customers or inboxes do.
Hosting & MSP
E‑commerce
SaaS
Email ops
We consolidated three monitoring bills into HetrixTools. Uptime and blacklist alerts share one on-call rotation now.
Multi-location confirmation cut our false pages way down. We only wake up when most probes agree it is real.
Blacklist reports with delisting links saved our deliverability team hours every week.
Start monitoring in a minute with HetrixTools
Free uptime and blacklist monitoring with global checks, server agents, and alerts wherever your team works.
Get started at HetrixTools