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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 · 585 matched
total records
585
active · on this page
6
expired · on this page
14
unique issuers · on this page
5
issuers on this pageGoogle Trust11Let's Encrypt5GoDaddy2Amazon1LH.pl Sp. z o.o.1
domainissuervalidstatus
*.li.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptMay 7, 2024→Jun 5, 2025expired 11mo ago
legal.anthropic.comcrt.sh
Google Trust
Google TrustApr 9, 2024→May 8, 2025expired 12mo ago
staging.anthropic.comcrt.sh
Google Trust
Google TrustFeb 25, 2024→Mar 25, 2025expired 1y ago
*.staging.anthropic.comcrt.sh
Google Trust
Google TrustFeb 25, 2024→Mar 25, 2025expired 1y ago
anthropic.comcrt.sh
Google Trust
Google TrustFeb 10, 2024→Mar 10, 2025expired 1y ago
*.anthropic.comcrt.sh
Google Trust
Google TrustFeb 10, 2024→Mar 10, 2025expired 1y ago
api-staging.anthropic.comcrt.sh
GoDaddy
GoDaddyFeb 6, 2024→Feb 5, 2025expired 1y ago
*.api-staging.anthropic.comcrt.sh
GoDaddy
GoDaddyFeb 6, 2024→Feb 5, 2025expired 1y ago
anthropic.comcrt.sh
Google Trust
Google TrustFeb 4, 2024→Mar 4, 2025expired 1y ago
*.anthropic.comcrt.sh
Google Trust
Google TrustFeb 4, 2024→Mar 4, 2025expired 1y ago
*.bo.anthropic.comcrt.sh
Google Trust
Google TrustJan 1, 2024→Jan 29, 2025expired 1y ago
support.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptNov 14, 2025→Feb 12, 2026expired 2mo ago
*.api-staging.anthropic.comcrt.sh
Google Trust
Google TrustNov 16, 2025→Feb 14, 2026expired 2mo ago
atlas.anthropic.comcrt.sh
Amazon
AmazonSep 14, 2025→Oct 13, 2026expires in 5mo
resources.anthropic.comcrt.sh
LH.pl Sp. z o.o.
LH.pl Sp. z o.o.Apr 14, 2026→Jul 13, 2026expires in 2mo
mcp-proxy-staging.anthropic.comcrt.sh
Google Trust
Google TrustMar 23, 2026→Jun 21, 2026expires in 1mo
tai.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptMar 11, 2026→Jun 9, 2026expires in 1mo
tunnel.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptMar 6, 2026→Jun 4, 2026expires in 26d
links.anthropic.comcrt.sh
Let's Encrypt
Let's EncryptFeb 20, 2026→May 21, 2026expires in 12d
website.anthropic.comcrt.sh
Google Trust
Google TrustFeb 4, 2026→May 5, 2026expired 2d ago
showing 301–320 · 16/30
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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).