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1password.com

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

csv export pro
total records
239
active · on this page
0
expired · on this page
20
unique issuers · on this page
3
issuers on this pageGoogle Trust11Let's Encrypt8Amazon1
domainstatus
passwordless.1password.comcrt.sh
Let's Encrypt
expired 10mo ago
passwordless.1password.comcrt.sh
Google Trust
expired 10mo ago
passage.1password.comcrt.sh
Let's Encrypt
expired 10mo ago
passage.1password.comcrt.sh
Google Trust
expired 10mo ago
passkeys.1password.comcrt.sh
Let's Encrypt
expired 10mo ago
passkeys.1password.comcrt.sh
Google Trust
expired 10mo ago
device-trust.1password.comcrt.sh
Google Trust
expired 10mo ago
device-trust.1password.comcrt.sh
Google Trust
expired 10mo ago
passage.ent.1password.comcrt.sh
Let's Encrypt
expired 10mo ago
passage.ent.1password.comcrt.sh
Google Trust
expired 10mo ago
passkey.1password.comcrt.sh
Let's Encrypt
expired 10mo ago
passkey.1password.comcrt.sh
Google Trust
expired 10mo ago
passkey.1password.comcrt.sh
Let's Encrypt
expired 10mo ago
1password.comcrt.sh
Google Trust
expired 10mo ago
www.1password.comcrt.sh
Google Trust
expired 10mo ago
1password.comcrt.sh
Let's Encrypt
expired 10mo ago
www.1password.comcrt.sh
Let's Encrypt
expired 10mo ago
share.1password.comcrt.sh
Amazon
expired 12mo ago
status.1password.comcrt.sh
Google Trust
expired 11mo ago
sales.1password.comcrt.sh
Google Trust
expired 11mo ago
Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar 1password.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar 1password.com | nuclei
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About certificate history for 1password.com

This page lists every X.509 (SSL/TLS) certificate ever issued for 1password.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 1password.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).