Check-Host.cc

Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Domain

linuxsoft.cern.ch

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

DNS Check HTTP Check Run Full Scan .ch TLD

Run a live full scan of linuxsoft.cern.ch

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
16
A/AAAA targets
Subdomains
—
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
2
in our scans

DNS Records

A
137.138.121.171, 137.138.54.24, 137.138.55.108, 188.184.65.236, 188.184.79.9, 188.185.40.58, 188.185.41.214, 188.185.48.60
AAAA
2001:1458:201:a4::100:2dc, 2001:1458:d00:16::100:427, 2001:1458:d00:17::100:24e, 2001:1458:d00:17::100:c5, 2001:1458:d00:24::100:356, 2001:1458:d00:24::100:635, 2001:1458:d00:61::100:3d6, 2001:1458:d00:6f::100:42e
MX
—
NS
ext-dns-1.cern.ch, ext-dns-2.cern.ch
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

188.185.48.60:443 a6ab713479f7…
Subject: linuxsoft.cern.ch
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: linuxsoft.cern.ch, www.linuxsoft.cern.ch
188.185.40.58:443 a6ab713479f7…
Subject: linuxsoft.cern.ch
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: linuxsoft.cern.ch, www.linuxsoft.cern.ch

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.

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 2001:1458:d00:17::100:c5 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 137.138.55.108 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
AAAA 2001:1458:d00:61::100:3d6 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
NS ext-dns-1.cern.ch 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
AAAA 2001:1458:d00:6f::100:42e 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
AAAA 2001:1458:d00:16::100:427 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
AAAA 2001:1458:d00:24::100:356 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 188.185.41.214 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 188.184.65.236 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
AAAA 2001:1458:d00:17::100:24e 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
NS ext-dns-2.cern.ch 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
AAAA 2001:1458:d00:24::100:635 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 188.185.48.60 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 188.184.79.9 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 137.138.121.171 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 137.138.54.24 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
A 188.185.40.58 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807
AAAA 2001:1458:201:a4::100:2dc 2026-05-26 17:18:28.359 2026-07-28 17:34:09.807