Check-Host.cc

Domain

cdn.kernel.org

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

Run a live full scan of cdn.kernel.org

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
8
A/AAAA targets
Subdomains
CT + scan + body
Record Types
2
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
151.101.1.176, 151.101.129.176, 151.101.193.176, 151.101.65.176
AAAA
2a04:4e42:200::432, 2a04:4e42:400::432, 2a04:4e42:600::432, 2a04:4e42::432
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

Hosts whose HTML body references this domain. Strong signal for origin/mirror/embed discovery.

78.47.254.151:80 href · ×42
23.147.56.50:443 href · ×42
129.154.193.79:443 href · ×42
119.28.52.204:80 href · ×40

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.

6f07f533f7a09fc7… google · xenon2026h2
Subject: cdn.kernel.org
Issuer: GlobalSign Atlas R3 DV TLS CA 2025 Q3
SANs: cdn.kernel.org, kernel.org, www.kernel.org
Valid: 2025-09-16 00:52:16 → 2026-10-18 00:52:15
b532ba3304624b95… google · argon2026h2
Subject: cdn.kernel.org
Issuer: GlobalSign Atlas R3 DV TLS CA 2025 Q3
SANs: cdn.kernel.org, kernel.org, www.kernel.org
Valid: 2025-09-16 00:52:16 → 2026-10-18 00:52:15

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 2a04:4e42:400::432 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827
A 151.101.1.176 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827
A 151.101.129.176 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827
AAAA 2a04:4e42:600::432 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827
AAAA 2a04:4e42:200::432 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827
A 151.101.193.176 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827
AAAA 2a04:4e42::432 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827
A 151.101.65.176 2026-05-25 23:59:40.866 2026-07-27 01:19:47.827