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trezor.io

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

csv export pro
total records
114
active · on this page
0
expired · on this page
20
unique issuers · on this page
4
issuers on this pageGoogle Trust8GoDaddy6Let's Encrypt4DigiCert2
domainstatus
academy.trezor.iocrt.sh
Google Trust
expired 1y ago
trezor.iocrt.sh
Let's Encrypt
expired 1y ago
*.trezor.iocrt.sh
Let's Encrypt
expired 1y ago
trezor.iocrt.sh
Let's Encrypt
expired 1y ago
*.trezor.iocrt.sh
Let's Encrypt
expired 1y ago
trezor.iocrt.sh
Google Trust
expired 1y ago
*.trezor.iocrt.sh
Google Trust
expired 1y ago
subscribe.trezor.iocrt.sh
GoDaddy
expired 1y ago
subscribe.trezor.iocrt.sh
GoDaddy
expired 1y ago
subscribe.trezor.iocrt.sh
Google Trust
expired 1y ago
content.trezor.iocrt.sh
Google Trust
expired 1y ago
trezor.iocrt.sh
GoDaddy
expired 1y ago
*.trezor.iocrt.sh
GoDaddy
expired 1y ago
trezor.iocrt.sh
GoDaddy
expired 1y ago
*.trezor.iocrt.sh
GoDaddy
expired 1y ago
trezor.iocrt.sh
Google Trust
expired 1y ago
*.trezor.iocrt.sh
Google Trust
expired 1y ago
trezor.iocrt.sh
DigiCert
expired 1y ago
*.trezor.iocrt.sh
DigiCert
expired 1y ago
img.mailing.trezor.iocrt.sh
Google Trust
expired 1y ago
Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar trezor.io | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar trezor.io | nuclei
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About certificate history for trezor.io

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