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wikimedia.org

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

csv export pro
total records
502
active · on this page
6
expired · on this page
14
unique issuers · on this page
3
issuers on this pageLet's Encrypt11Google Trust8Microsoft1
domainstatus
idm.wikimedia.orgcrt.sh
Let's Encrypt
expires in 1mo
idm1001.wikimedia.orgcrt.sh
Let's Encrypt
expires in 1mo
idm2001.wikimedia.orgcrt.sh
Let's Encrypt
expires in 1mo
idm.wikimedia.orgcrt.sh
Let's Encrypt
expires in 1mo
idm1001.wikimedia.orgcrt.sh
Let's Encrypt
expires in 1mo
idm2001.wikimedia.orgcrt.sh
Let's Encrypt
expires in 1mo
superset.frdev.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
metabase.frdev.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
frmon.frdev.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
frmon.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
frmon.frdev.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
frmon.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
analytics.frdev.wikimedia.orgcrt.sh
Let's Encrypt
expired 10mo ago
civicrm.frdev.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
civicrm.frdev.wikimedia.orgcrt.sh
Google Trust
expired 10mo ago
wikimedia.orgcrt.sh
Let's Encrypt
expired 10mo ago
*.wikimedia.orgcrt.sh
Let's Encrypt
expired 10mo ago
*.m.wikimedia.orgcrt.sh
Let's Encrypt
expired 10mo ago
*.planet.wikimedia.orgcrt.sh
Let's Encrypt
expired 10mo ago
diff.wikimedia.orgcrt.sh
Microsoft
expired 10mo ago
Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar wikimedia.org | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar wikimedia.org | nuclei
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Related domains under .org

About certificate history for wikimedia.org

This page lists every X.509 (SSL/TLS) certificate ever issued for wikimedia.org 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 wikimedia.org for newly-issued certificates in real-time (useful for detecting unauthorized issuance, phishing variants, or shadow IT) add it to your watchlist (Pro plan).