Check-Host.cc

Domain

cdn.dev.fern.host

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

Run a live full scan of cdn.dev.fern.host

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
AAAA
MX
NS
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

Certificate observations pending

TLS certs naming this domain in subject or SANs will appear here as our scan-layer catches them.

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.

14df36e45b8039fd… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M01
SANs: cdn.dev.fern.host
Valid: 2026-04-06 00:00:00 → 2026-10-20 23:59:59
8cac953eadee5d63… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M01
SANs: cdn.dev.fern.host
Valid: 2026-04-06 00:00:00 → 2026-10-20 23:59:59
59dabcc40a8396d1… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M01
SANs: cdn.dev.fern.host
Valid: 2026-04-05 00:00:00 → 2026-10-19 23:59:59
6703c40e1d4de81c… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M01
SANs: cdn.dev.fern.host
Valid: 2026-04-05 00:00:00 → 2026-10-19 23:59:59
aa1951b9f8b37dfd… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M04
SANs: cdn.dev.fern.host
Valid: 2026-04-04 00:00:00 → 2026-10-18 23:59:59
b672f400d94144cf… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M01
SANs: cdn.dev.fern.host
Valid: 2026-04-04 00:00:00 → 2026-10-18 23:59:59
fa3f1d58d950d4a4… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M01
SANs: cdn.dev.fern.host
Valid: 2026-04-04 00:00:00 → 2026-10-18 23:59:59
4ce73e33bb24a5dd… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M04
SANs: cdn.dev.fern.host
Valid: 2026-03-29 00:00:00 → 2026-10-12 23:59:59
57c855ade40dc5eb… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M04
SANs: cdn.dev.fern.host
Valid: 2026-03-29 00:00:00 → 2026-10-12 23:59:59
0e3f00004d71c6d6… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M04
SANs: cdn.dev.fern.host
Valid: 2026-03-28 00:00:00 → 2026-10-11 23:59:59
c81aa1bbce24d683… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M01
SANs: cdn.dev.fern.host
Valid: 2026-03-28 00:00:00 → 2026-10-11 23:59:59
46bb33d298464467… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M04
SANs: cdn.dev.fern.host
Valid: 2026-03-23 00:00:00 → 2026-10-06 23:59:59
5ac5a8f2200d21c7… google · xenon2026h2
Subject: cdn.dev.fern.host
Issuer: Amazon RSA 2048 M04
SANs: cdn.dev.fern.host
Valid: 2026-03-23 00:00:00 → 2026-10-06 23:59:59

Threat Intelligence

Domain threat-intel pending

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

History

Domain timeline pending

Passive-DNS history accumulates as our forward-DNS crawler observes A/AAAA/MX/NS/TXT records over time.