Check-Host.cc

Domain

cdnjs.cloudflare.com

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Run a live full scan of cdnjs.cloudflare.com

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

Deep-scan now
Hosting IPs
A/AAAA targets
Subdomains
CT + scan + body
Record Types
seen in DNS
Observed Certs
in our scans

DNS Records

A
104.17.24.14, 104.17.25.14
AAAA
2606:4700::6811:180e, 2606:4700::6811:190e
MX
NS
dylan.ns.cloudflare.com, olga.ns.cloudflare.com
TXT
CNAME
CAA

WHOIS / Registration

Registration data planned

Registrar, creation/expiry dates and domain status via RDAP. Rolling out gradually — bulk WHOIS is rate-limited, so we resolve on a prioritized cadence.

Subdomains

Subdomain enumeration pending

Every subdomain ever issued a TLS cert under this apex — extracted from Certificate Transparency logs, our own scan observations and body references.

Tech Stack

Tech detection pending

Wappalyzer-rules detect CMS, frameworks, analytics, JS libs and server-side languages on this domain.

TLS Certificates

Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com

IPs Citing This Domain

No citing IPs found yet

As the world-sweep progresses, hosts referencing this domain in their HTML will surface here.

Origin / IP-Leak

USP

When a hostname is served behind a CDN (e.g. Cloudflare), the origin server can sometimes be identified by matching its TLS cert against the protected hostname. Findings shown here are heuristic candidates, not guarantees.

No origin-IP leaks detected (yet)

Either this domain doesn't sit behind a CDN, or we haven't seen a TLS cert from a non-CDN IP matching this hostname. Run a fullscan to refresh the cert→IP cross-reference.

CT-Log Evidence

Certificates from public Certificate Transparency logs whose subject or SAN names this domain — including historic certs we never observed live.

49e7e394da71d702… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: E7
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2026-01-18 19:41:15 → 2026-04-18 19:41:14
90574e5f08c48743… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: E7
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2026-01-18 19:41:15 → 2026-04-18 19:41:14
c0271d85c8d6006e… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: R12
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2026-01-18 19:41:08 → 2026-04-18 19:41:07
07a73e4ab29f0a07… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: cdnjs.cloudflare.com, *.cdnjs.cloudflare.com
Valid: 2026-01-13 22:16:05 → 2026-04-13 23:15:55
d4623b5c9b47afce… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: WR1
SANs: cdnjs.cloudflare.com, *.cdnjs.cloudflare.com
Valid: 2026-01-13 22:15:49 → 2026-04-13 23:14:35
2b045b424d99bfe4… cloudflare · nimbus2026
Subject: cdnjs.cloudflare.com
Issuer: E8
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2025-11-20 19:44:49 → 2026-02-18 19:44:48
2b045b424d99bfe4… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: E8
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2025-11-20 19:44:49 → 2026-02-18 19:44:48
35b56f1cf8bd965c… cloudflare · nimbus2026
Subject: cdnjs.cloudflare.com
Issuer: R12
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2025-11-20 19:44:39 → 2026-02-18 19:44:38
80e2d86169d46c9b… cloudflare · nimbus2026
Subject: cdnjs.cloudflare.com
Issuer: R12
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2025-11-20 19:44:39 → 2026-02-18 19:44:38
80e2d86169d46c9b… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: R12
SANs: *.cdnjs.cloudflare.com, cdnjs.cloudflare.com
Valid: 2025-11-20 19:44:39 → 2026-02-18 19:44:38
09b31665fd9208e9… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: cdnjs.cloudflare.com, *.cdnjs.cloudflare.com
Valid: 2025-11-15 20:49:06 → 2026-02-13 21:49:04
4ec5bb7a81a0d900… sectigo · elephant2026h1
Subject: cdnjs.cloudflare.com
Issuer: WE1
SANs: cdnjs.cloudflare.com, *.cdnjs.cloudflare.com
Valid: 2025-11-15 20:49:06 → 2026-02-13 21:49:04

Threat Intelligence

Domain threat-intel pending

Matches in URLhaus, OpenPhish, PhishTank, malware feeds, and Spamhaus DBL.

History

Passive DNS — every value this name ever resolved to and when we first / last observed it. Updates every cycle of our forward-DNS crawler.

Type Value First seen Last seen
AAAA 2606:4700::6811:180e 2026-07-16 10:29:39.644 2026-07-22 11:54:36.250
NS olga.ns.cloudflare.com 2026-07-16 10:29:39.644 2026-07-22 11:54:36.250
AAAA 2606:4700::6811:190e 2026-07-16 10:29:39.644 2026-07-22 11:54:36.250
A 104.17.25.14 2026-07-16 10:29:39.644 2026-07-22 11:54:36.250
NS dylan.ns.cloudflare.com 2026-07-16 10:29:39.644 2026-07-22 11:54:36.250
A 104.17.24.14 2026-07-16 10:29:39.644 2026-07-22 11:54:36.250