Check your domain’s DNS, email and SSL — free
Find out in seconds why email lands in spam, a site is down or a certificate is about to expire. No signup.
Runs a full health check: DNS, MX, SPF, DKIM, DMARC, SSL, blacklists and website.
Get warned before your customers notice
A one-off check tells you how things look right now. UptimeLab keeps checking around the clock and alerts you the moment your website, server or email stops working.
No credit card required for the Starter trial
- Checks as often as every 10 seconds
- Alerts by SMS, phone call, email and Pushover
- Downtime confirmed from Oslo and Helsinki — fewer false alarms
- Norwegian company, Norwegian support, EHF invoice
All free tools
Domain Health Check
Complete DNS, SSL, mail, security headers, SEO & performance audit — all in one scan
DNS Lookup
Query full DNS records
A Record
Resolve IP + check server
MX Records
Test mail servers live
Email Health
Full email deliverability test
SPF Check
Validate sender policy
DKIM Check
Verify DomainKeys
DMARC Check
Verify DMARC policy
TXT Record
Read generic text records
Nameservers
Check NS health & delegation
Reverse DNS
Resolve IP to hostname
Is It Down?
Check website availability
SSL Check
Verify certificate validity
Mail TLS
Check mail server encryption
Find DNS Provider
Identify who manages your DNS
Blacklist Check
Check IP/domain spam reputation