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syndication.x.com

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

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Filters
15 on page · 115 matched
total records
115
active · on this page
3
expired · on this page
12
unique issuers · on this page
6
issuers on this pageLet's Encrypt7Unizeto Technologies…3DigiCert2SwissSign AG1Global Digital Cyber…1Google Trust1
domainissuervalidstatus
cdn.syndication.x.comcrt.sh
DigiCert
DigiCertJul 23, 2025→Oct 21, 2025expired 6mo ago
syndication.x.comcrt.sh
Unizeto Technologies…
Unizeto Technologies…Jul 21, 2025→Oct 19, 2025expired 6mo ago
syndication.x.comcrt.sh
Unizeto Technologies…
Unizeto Technologies…Jul 18, 2025→Oct 16, 2025expired 6mo ago
cdn.syndication.x.comcrt.sh
Unizeto Technologies…
Unizeto Technologies…Jul 10, 2025→Oct 8, 2025expired 7mo ago
syndication.x.comcrt.sh
SwissSign AG
SwissSign AGJul 1, 2025→Sep 29, 2025expired 7mo ago
syndication.x.comcrt.sh
Global Digital Cyber…
Global Digital Cyber…Jun 13, 2025→Sep 11, 2025expired 7mo ago
syndication.x.comcrt.sh
DigiCert
DigiCertJun 5, 2025→Sep 3, 2025expired 8mo ago
cdn.syndication.x.comcrt.sh
Let's Encrypt
Let's EncryptMar 6, 2026→Jun 4, 2026expires in 28d
syndication.x.comcrt.sh
Google Trust
Google TrustFeb 25, 2026→May 26, 2026expires in 20d
syndication.x.comcrt.sh
Let's Encrypt
Let's EncryptFeb 19, 2026→May 20, 2026expires in 14d
syndication.x.comcrt.sh
Let's Encrypt
Let's EncryptDec 3, 2025→Mar 3, 2026expired 2mo ago
syndication.x.comcrt.sh
Let's Encrypt
Let's EncryptDec 3, 2025→Mar 3, 2026expired 2mo ago
syndication.x.comcrt.sh
Let's Encrypt
Let's EncryptNov 27, 2025→Feb 25, 2026expired 2mo ago
syndication.x.comcrt.sh
Let's Encrypt
Let's EncryptNov 27, 2025→Feb 25, 2026expired 2mo ago
syndication.x.comcrt.sh
Let's Encrypt
Let's EncryptNov 22, 2025→Feb 20, 2026expired 2mo ago
showing 101–115 · 6/6
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Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar syndication.x.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar syndication.x.com | nuclei
Free tier: 100 searches/day · Pro $29/mo for 10,000/day

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About certificate history for syndication.x.com

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