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About Cert Spotter
Cert Spotter watches Certificate Transparency logs and alerts you when a certificate is issued for one of your domains. This helps you detect unauthorized certificates that could come from a certificate authority vulnerability, DNS tampering, BGP hijacking or a subdomain takeover.
It also keeps an inventory of the certificates installed on your domains, including ones set up outside the usual process. It warns you about certificates that are expired, revoked or installed incorrectly before visitors see browser errors. It suits site operators and security teams who are responsible for a set of domains.
Strengths
- Alerts on any newly issued certificate for your domains via Certificate Transparency logs
- Catches expired, revoked and misinstalled certificates
- Inventories certificates set up outside normal processes
Limitations
- Paid after the 30-day trial
- Hosted service only
Details
- Pricing
- PaidPaid monitoring service with a 30-day free trial.
- License
- Proprietary
- Developer
- SSLMate
- Platforms
- Web
- How it runs
- Web application, Hosted service
- Account
- Required
- Works offline
- No
- Best suited for
- Security teams watching for unauthorized or broken certificates on their domains
- Categories
- Security tools, Website testing
- Last verified
- Added
- Provenance
- Selected from the TechWalrus Resource Hub (Status & Uptime Monitoring); facts checked against the developer's own pages, 2 sources on file.
Alternatives to Cert Spotter
Compare allSoftware that can replace Cert Spotter for an important use case, and what changes if you switch.
TrackSSL
A hosted service that monitors SSL/TLS certificates and sends alerts before they expire or change.
TrackSSL is freemium and alerts on expiry and certificate changes via email, Slack, SMS and Teams, including internal and self-signed certificates, without Certificate Transparency discovery.
Hardenize
A web site configuration tester and monitoring service for network, certificate and security settings.
Hardenize offers continuous certificate and perimeter monitoring for organisations plus free public configuration reports, with little public pricing detail.
Oh Dear
A hosted website health monitor covering uptime, SSL, DNS, cron jobs, broken links and performance.
Oh Dear monitors SSL certificates as part of wider uptime, DNS, cron and broken link checks, and is EU-hosted with no permanent free plan.
Better Stack Uptime
A hosted uptime monitor that checks websites, APIs, SSL certificates and domains and sends alerts.
Better Stack Uptime includes SSL certificate and domain expiry checks within a freemium uptime monitor, rather than watching Certificate Transparency logs.
updown.io
A hosted website monitor that checks HTTP, TCP and ICMP endpoints, certificates and cron jobs.
updown.io includes certificate and domain expiry monitoring in a usage-priced uptime service, but does not detect unauthorized certificate issuance.
Cert Spotter as an alternative
Listings that name Cert Spotter as an alternative.
crt.sh
A free web search engine for certificates recorded in public Certificate Transparency logs.
Cert Spotter is a paid hosted service that watches Certificate Transparency logs and alerts you on new or broken certificates, instead of manual searches.
Similar software
Related functionality, not necessarily a direct replacement.
CAA Test
A web tool that checks the DNS CAA records published for a domain.
SSL Labs Server Test
A Qualys web service that analyses the TLS/SSL configuration of a public web server.
SSL Shopper SSL Checker
An online checker that verifies a server's SSL certificate installation, chain, hostname and expiry.
StatusCake
A hosted monitoring service for website uptime, page speed, SSL certificates, domains and servers.
Cronitor
A hosted monitoring service for cron jobs, background workers, websites and APIs, with failure alerts.
Who.is
A web lookup for WHOIS, RDAP, DNS records, nameservers and IP ownership of any domain.
