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share.openai.com

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

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Filters
20 on page · 44 matched
total records
44
active · on this page
4
expired · on this page
16
unique issuers · on this page
8
issuers on this pageUnknown Issuer6Google Trust4GoDaddy4Amazon2DigiCert1SwissSign AG1Let's Encrypt1Microsoft1
domainissuervalidstatus
share.openai.comcrt.sh
Unknown Issuer
Unknown IssuerOct 17, 2024→Jan 15, 2025expired 1y ago
*.share.openai.comcrt.sh
Unknown Issuer
Unknown IssuerOct 17, 2024→Jan 15, 2025expired 1y ago
share.openai.comcrt.sh
Unknown Issuer
Unknown IssuerOct 17, 2024→Jan 15, 2025expired 1y ago
*.share.openai.comcrt.sh
Unknown Issuer
Unknown IssuerOct 17, 2024→Jan 15, 2025expired 1y ago
share.openai.comcrt.sh
Unknown Issuer
Unknown IssuerOct 17, 2024→Jan 15, 2025expired 1y ago
*.share.openai.comcrt.sh
Unknown Issuer
Unknown IssuerOct 17, 2024→Jan 15, 2025expired 1y ago
share.openai.comcrt.sh
Amazon
AmazonOct 17, 2024→Jan 15, 2025expired 1y ago
*.share.openai.comcrt.sh
Amazon
AmazonOct 17, 2024→Jan 15, 2025expired 1y ago
share.openai.comcrt.sh
Google Trust
Google TrustApr 3, 2024→Apr 3, 2025expired 1y ago
*.share.openai.comcrt.sh
Google Trust
Google TrustApr 3, 2024→Apr 3, 2025expired 1y ago
share.openai.comcrt.sh
GoDaddy
GoDaddyApr 3, 2024→Apr 3, 2025expired 1y ago
*.share.openai.comcrt.sh
GoDaddy
GoDaddyApr 3, 2024→Apr 3, 2025expired 1y ago
*.share.openai.comcrt.sh
GoDaddy
GoDaddyJun 10, 2025→Sep 8, 2025expired 8mo ago
share.openai.comcrt.sh
DigiCert
DigiCertJun 10, 2025→Sep 8, 2025expired 8mo ago
share.openai.comcrt.sh
SwissSign AG
SwissSign AGJun 10, 2025→Sep 8, 2025expired 8mo ago
share.openai.comcrt.sh
Google Trust
Google TrustApr 1, 2026→Jun 30, 2026expires in 1mo
*.share.openai.comcrt.sh
GoDaddy
GoDaddyApr 1, 2026→Jun 30, 2026expires in 1mo
share.openai.comcrt.sh
Let's Encrypt
Let's EncryptApr 1, 2026→Jun 30, 2026expires in 1mo
share.openai.comcrt.sh
Google Trust
Google TrustApr 1, 2026→Jun 30, 2026expires in 1mo
*.share.openai.comcrt.sh
Microsoft
MicrosoftFeb 1, 2026→May 2, 2026expired 5d ago
showing 21–40 · 2/3
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Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar share.openai.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar share.openai.com | nuclei
Free tier: 100 searches/day · Pro $29/mo for 10,000/day

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About certificate history for share.openai.com

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