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guardian.com

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

csv export pro
total records
84
active · on this page
0
expired · on this page
20
unique issuers · on this page
3
issuers on this pageGoogle Trust11Let's Encrypt6Microsoft3
domainstatus
www1.guardian.comcrt.sh
Let's Encrypt
expired 10mo ago
www1.guardian.comcrt.sh
Let's Encrypt
expired 10mo ago
www2.guardian.comcrt.sh
Let's Encrypt
expired 10mo ago
www3.guardian.comcrt.sh
Let's Encrypt
expired 10mo ago
guardian.comcrt.sh
Google Trust
expired 10mo ago
*.guardian.comcrt.sh
Google Trust
expired 10mo ago
guardian.comcrt.sh
Google Trust
expired 10mo ago
*.guardian.comcrt.sh
Google Trust
expired 10mo ago
guardian.comcrt.sh
Google Trust
expired 10mo ago
*.guardian.comcrt.sh
Google Trust
expired 10mo ago
www4.guardian.comcrt.sh
Google Trust
expired 10mo ago
experience.guardian.comcrt.sh
Microsoft
expired 11mo ago
experience.guardian.comcrt.sh
Google Trust
expired 11mo ago
www1.guardian.comcrt.sh
Google Trust
expired 1y ago
www2.guardian.comcrt.sh
Google Trust
expired 1y ago
www2.guardian.comcrt.sh
Google Trust
expired 1y ago
guardian.comcrt.sh
Microsoft
expired 1y ago
*.guardian.comcrt.sh
Microsoft
expired 1y ago
guardian.comcrt.sh
Let's Encrypt
expired 1y ago
*.guardian.comcrt.sh
Let's Encrypt
expired 1y ago
Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar guardian.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar guardian.com | nuclei
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About certificate history for guardian.com

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