Free forever plan available

HetrixTools — uptime & blacklist monitoring

Keep websites online, servers healthy, and email deliverability intact. One dashboard, instant alerts, and monitoring from 12 global locations.

  • 15 uptime monitors + 32 blacklist monitors — free forever
  • Instant alerts across 20+ notification channels
  • SSL, domain expiry, status pages, and server metrics included

Trusted by hosting providers, agencies, and DevOps teams worldwide

Rated highly by real users

15 uptime monitors + 32 blacklist monitors — free forever

No credit card required. Upgrade only when you need more capacity.

Claim your free plan
Monitor

Catch outages before your users do

Track website and server availability from up to 12 global check locations. When something goes down, you get notified immediately — not after the support tickets start rolling in.

  • Multi-location uptime checks with sub-minute intervals
  • Public status pages to keep customers informed
  • Domain expiration, SSL certificate, and nameserver change alerts
  • Complete visibility across your entire online presence
Set up uptime monitoring
HetrixTools uptime monitoring dashboard showing global check locations and response times
Metrics

Spot server strain before it becomes downtime

Install a lightweight monitoring agent on Linux, Windows, macOS, or shared hosting. Watch CPU, memory, disk, and network metrics in real time and act while there is still headroom.

  • Agent-based monitoring for bare metal and VPS environments
  • Custom alert thresholds for every critical metric
  • Historical data to identify trends and capacity needs
  • Works alongside uptime checks for full-stack coverage
Monitor server metrics
CPU Usage Live
23%
Memory Live
61%
Disk I/O Live
78%
Network Live
12 Mbps
Protect

Guard your email reputation around the clock

A single blacklist listing can tank deliverability for every message you send. HetrixTools scans major blacklists — including Microsoft SNDS — and alerts you the moment your IPs or domains appear on a list.

  • Continuous monitoring of all major email blacklists
  • Instant notifications when a listing is detected
  • Clear overview of your network reputation status
  • 32 blacklist monitors included on the free plan
Protect email deliverability
mail.defencercise.com Clean
0 blacklist listings · Last checked 2 min ago
192.168.1.1 Clean
Microsoft SNDS · Spamhaus · Barracuda
Queue Status Live
Processing blacklist checks…
Finished in the last minute
Domains monitored
32
Free plan limit

Maximize uptime. Protect your reputation.

Whether you run a hosting company, send transactional email, or manage client infrastructure — HetrixTools gives you the early warning system you need to stay online and out of spam folders.

Instant alerts

Outage detected? Blacklist hit? You hear about it immediately — not from angry customers.

20+ integrations

Slack, Discord, PagerDuty, Telegram, webhooks, and more. Alerts reach you wherever you work.

Status pages

Share live uptime reports on your website so customers stay informed during incidents.

All-in-one dashboard

Uptime, metrics, blacklists, SSL, and domain expiry — one place, zero context switching.

Get notified anywhere

HetrixTools integrates with all the platforms your team already uses — over 20 channels and counting.

Slack
Discord
PagerDuty
Telegram
Microsoft Teams
Email
Webhooks
Pushover

What users are saying

Real feedback from teams who rely on HetrixTools every day.

Since switching from UptimeRobot, we've been impressed with the features HetrixTools offers. We display their uptime report on our website to keep customers informed. One of the finest uptime providers we've ever joined.

— Gossd Hosting

We co-create across social media and email. Making sure invitations don't get lost in spam filters means our server can't get blacklisted. HetrixTools helps us do exactly that.

— Collaboration platform team

Easy to track and monitor everything in one place. We love the simplicity, ease of use, and most importantly — correct information. A perfect tool to identify issues before abuse complaints arrive.

— Hosting provider

Start monitoring for free today

Join teams worldwide who trust HetrixTools to keep their infrastructure online and their email reputation clean.

Get HetrixTools free