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anthropic.com

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

csv export pro
Filters
20 on page · 555 matched
total records
555
active · on this page
0
expired · on this page
20
unique issuers · on this page
3
issuers on this pageGoogle Trust11Let's Encrypt6ZeroSSL3
domainissuervalidstatus
*.anthropic.comcrt.sh
Google Trust
Google TrustFeb 28, 2025→May 29, 2025expired 11mo ago
status.anthropic.comcrt.sh
Google Trust
Google TrustFeb 28, 2025→May 29, 2025expired 11mo ago
anthropic.comcrt.sh
Let's Encrypt
Let's EncryptFeb 28, 2025→May 29, 2025expired 11mo ago
*.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptFeb 28, 2025→May 29, 2025expired 11mo ago
api-release-candidate.anthropic.comcrt.sh
ZeroSSL
ZeroSSLFeb 26, 2025→May 27, 2025expired 11mo ago
api.console.anthropic.comcrt.sh
ZeroSSL
ZeroSSLFeb 26, 2025→May 27, 2025expired 11mo ago
www.anthropic.comcrt.sh
ZeroSSL
ZeroSSLFeb 24, 2025→May 26, 2025expired 11mo ago
api.anthropic.comcrt.sh
Google Trust
Google TrustFeb 21, 2025→May 22, 2025expired 11mo ago
*.api.anthropic.comcrt.sh
Google Trust
Google TrustFeb 21, 2025→May 22, 2025expired 11mo ago
status.anthropic.comcrt.sh
Google Trust
Google TrustFeb 21, 2025→May 22, 2025expired 11mo ago
status.anthropic.comcrt.sh
Google Trust
Google TrustFeb 21, 2025→May 22, 2025expired 11mo ago
api.anthropic.comcrt.sh
Google Trust
Google TrustFeb 20, 2025→May 21, 2025expired 11mo ago
*.api.anthropic.comcrt.sh
Google Trust
Google TrustFeb 20, 2025→May 21, 2025expired 11mo ago
api.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptFeb 20, 2025→May 21, 2025expired 11mo ago
*.api.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptFeb 20, 2025→May 21, 2025expired 11mo ago
status.anthropic.comcrt.sh
Google Trust
Google TrustFeb 18, 2025→May 19, 2025expired 11mo ago
status.anthropic.comcrt.sh
Google Trust
Google TrustFeb 18, 2025→May 19, 2025expired 11mo ago
privacy.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptFeb 17, 2025→May 18, 2025expired 11mo ago
privacy.anthropic.comcrt.sh
Google Trust
Google TrustFeb 17, 2025→May 18, 2025expired 11mo ago
privacy.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptFeb 17, 2025→May 18, 2025expired 11mo ago
showing 81–100 · 5/28
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Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar anthropic.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar anthropic.com | nuclei
Free tier: 100 searches/day · Pro $29/mo for 10,000/day

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About certificate history for anthropic.com

This page lists every X.509 (SSL/TLS) certificate ever issued for anthropic.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 anthropic.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).