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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
119
active · on this page
0
expired · on this page
20
unique issuers · on this page
6
issuers on this pageUnknown Issuer9Google Trust4Let's Encrypt3GoDaddy2DigiCert1Amazon1
domainstatus
*.trezor.iocrt.sh
DigiCert
expired 1y ago
img.mailing.trezor.iocrt.sh
Google Trust
expired 1y ago
img.mailing.trezor.iocrt.sh
GoDaddy
expired 1y ago
talk.trezor.iocrt.sh
GoDaddy
expired 1y ago
academy.trezor.iocrt.sh
Google Trust
expired 1y ago
start.trezor.iocrt.sh
Google Trust
expired 1y ago
start.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
subscribe.trezor.iocrt.sh
Unknown Issuer
expired 1y ago
content.trezor.iocrt.sh
Unknown Issuer
expired 1y ago
partners.trezor.iocrt.sh
Unknown Issuer
expired 1y ago
academy.trezor.iocrt.sh
Unknown Issuer
expired 1y ago
academy.trezor.iocrt.sh
Unknown Issuer
expired 1y ago
trezor.iocrt.sh
Unknown Issuer
expired 1y ago
*.trezor.iocrt.sh
Unknown Issuer
expired 1y ago
trezor.iocrt.sh
Unknown Issuer
expired 1y ago
*.trezor.iocrt.sh
Unknown Issuer
expired 1y ago
content.trezor.iocrt.sh
Amazon
expired 1y ago
trezor.iocrt.sh
Google Trust
expired 11mo 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).