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catalyst.microsoft.com

Every SSL/TLS certificate ever issued for this name, indexed from public CT logs.

csv export pro
total records
17
active · on this page
2
expired · on this page
14
unique issuers · on this page
9
issuers on this pageMicrosoft5Let's Encrypt3ZeroSSL2cPanel1Amazon1Entrust1GoDaddy1SSL1
domainstatus
*.catalyst.microsoft.comcrt.sh
ZeroSSL
expired 11mo ago
catalyst.microsoft.comcrt.sh
Microsoft
expired 11mo ago
*.catalyst.microsoft.comcrt.sh
Microsoft
expired 1y ago
catalyst.microsoft.comcrt.sh
cPanel
expired 1y ago
catalyst.microsoft.comcrt.sh
ZeroSSL
expired 1y ago
ppe.catalyst.microsoft.comcrt.sh
Amazon
expired 1y ago
*.catalyst.microsoft.comcrt.sh
Microsoft
expired 1y ago
catalyst.microsoft.comcrt.sh
Entrust
expired 1y ago
ppe.catalyst.microsoft.comcrt.sh
GoDaddy
expired 1y ago
*.catalyst.microsoft.comcrt.sh
SSL
expired 1y ago
catalyst.microsoft.comcrt.sh
Let's Encrypt
expired 1y ago
*.catalyst.microsoft.comcrt.sh
Let's Encrypt
expired 11mo ago
catalyst.microsoft.comcrt.sh
Let's Encrypt
expired 11mo ago
ppe.catalyst.microsoft.comcrt.sh
Microsoft
expires in 7d
catalyst.microsoft.comcrt.sh
Microsoft
expires in 2mo
catalyst.microsoft.comcrt.sh
GlobalSign
expired 2mo ago
Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar catalyst.microsoft.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar catalyst.microsoft.com | nuclei
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About certificate history for catalyst.microsoft.com

This page lists every X.509 (SSL/TLS) certificate ever issued for catalyst.microsoft.com and its subdomains, as recorded in public Certificate Transparency (CT) logs. CT logs are an immutable, append-only record of every certificate issued by participating Certificate Authorities (CAs), as required by the major browsers since 2018.

Subdomain enumeration via CT logs is one of the highest-signal techniques in reconnaissance — every time a TLS certificate is issued, all Subject Alternative Names (SANs) on that certificate become public. Internal and forgotten subdomains regularly show up here days after they're set up.

To monitor catalyst.microsoft.com for newly-issued certificates in real-time (useful for detecting unauthorized issuance, phishing variants, or shadow IT) add it to your watchlist (Pro plan).