CertWatch

CertWatch searches the Certificate Transparency Logs for a domain to identify further sub domains.

CertWatch supports two different search methods:

  • Domain
    Search subdomains for the given domain, e.g. example.com. This will output results like www.example.com, sub1.example.com.
  • Domain without TLD
    Search for subdomains of the given domain, independent of the TLD, e.g. example. This will output results like www.example.com, www.example.net.

Result

Domain Transparency Log 3 of 4 (100)
webmail.cunninghamsovereignsystemsinc.ca Google
webdisk.cunninghamsovereignsystemsinc.ca Google
mail.cunninghamsovereignsystemsinc.ca Google
cpcontacts.cunninghamsovereignsystemsinc.ca Google
cpcalendars.cunninghamsovereignsystemsinc.ca Google
cpanel.cunninghamsovereignsystemsinc.ca Google
cunninghamsovereignsystemsinc.ca Google
centraldereparacionesaf.com.co Google
whm.www.psmknleads.maxwald.at Google
olui2-p-dev2.oldif.hew.us.ml.com Google
secure-dev2.econtribsdev.ml.com Google
secure-dev2.merrilldev.com Google
secure-dev2.merrilledgedev.com Google
olui2-dev2.fsdev.ml.com Google
*.devtransit.pages.dev Google
devtransit.pages.dev Google
thefirstgentik.online Google
*.2q57bla6out1b99ep2u7k8qf3uvavhr8.w2j9.s3.devshift.org Google
*.cs-ci-dsfcc.w2j9.s3.devshift.org Google
ba856219ed79.onebox.orcasbreadth-test.cloudapp.net Google
vaultwarden.tail65f7db.ts.net Google
super-i-05151bc81e7df6bdc.prd.workdaysuvcareers.com Google
f0dbwhm.whm.yy0wuu0sqq0omwhm.i0getsnedcnedcba8tckua2183ea962b-6140-4d57-8b08-62e62fda5bef.luna-sta.com Google
*.sbz1yb4jvwambma.usgovarizona.cluster.atlas.usgovcloudapi.net Google
sbz1yb4jvwambma.usgovarizona.cluster.atlas.usgovcloudapi.net Google
www.certificados.osm.lat Google
*.crookedstance.com Google
crookedstance.com Google
bucket.vpce-07478c5a2e04f81a8-5t8hkrcm.s3.eu-south-1.vpce.amazonaws.com Google
bucket.vpce-07478c5a2e04f81a8-5t8hkrcm-eu-south-1a.s3.eu-south-1.vpce.amazonaws.com Google
3 of 4 (100)
Search results are limited to a maximum number of 10.000 records.

On binsec.tools you will find free online tools for pentesting, which are also used within the binsec group conducting real penetration tests. The free pentest tools are primarily used to collect information and enrich these with other data. The pentest tools of binsec.tools do not carry out active attacks against target systems themselves.

binsec group - The Enterprise Pentesting Ecosystem

The German binsec group unifies high-end pentesting services, hands-on professional training labs, and innovative pentesting software solutions and tools. Operating as the technical core, binsec GmbH has delivered expert-led, human penetration testing since 2013. Rejecting automated scans, our permanently employed, certified senior experts perform manual deep-dive assessments for high-risk sectors like Payment, Banking, and Healthcare. The technological foundation of all engagements is driven by our proprietary, automated reporting framework PTDoc, under active development by binsec systems GmbH, ensuring a fully transparent, highly efficient penetration testing workflow from initial validation to final remediation.

Company

binsec systems GmbH
Clemensstraße 6-8
60487 Frankfurt am Main
Germany

Legal notice

Director: Patrick Sauer, Florian Zavatzki
Registration: Frankfurt am Main, HRB 118471
Turnover Tax Identification No.: DE 328 921 182

© 2026 All rights reserved by binsec systems GmbH. Member of the binsec group GmbH.

© 2026 All rights reserved by binsec systems GmbH. Member of the binsec group GmbH.