Check-Host.cc

Domain

gitlab-dev.cern.ch

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

Run a live full scan of gitlab-dev.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
6
A/AAAA targets
Subdomains
CT + scan + body
Record Types
3
seen in DNS
Observed Certs
6
in our scans

DNS Records

A
188.184.105.206, 188.184.98.52, 188.185.51.81
AAAA
2001:1458:d00:2d::100:467, 2001:1458:d00:3a::100:364, 2001:1458:d00:61::100:209
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

Subject: gitlab.cern.ch
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: gitlab-dev-pdc.cern.ch, gitlab-dev.cern.ch, gitlab-pages-backend-dev.cern.ch, gitlab-pages-backend.cern.ch, gitlab-pdc.cern.ch, gitlab-registry-dev.cern.ch, gitlab-registry.cern.ch, gitlab.cern.ch, gitlabstg-pdc.cern.ch, gitlabstg.cern.ch, pages-dev.cern.ch, pages.cern.ch, registry-gitlabstg.cern.ch
Subject: gitlab.cern.ch
Issuer: Sectigo Public Server Authentication CA OV R36
SANs: gitlab-dev-pdc.cern.ch, gitlab-dev.cern.ch, gitlab-pages-backend-dev.cern.ch, gitlab-pages-backend.cern.ch, gitlab-pdc.cern.ch, gitlab-registry-dev.cern.ch, gitlab-registry.cern.ch, gitlab.cern.ch, gitlabstg-pdc.cern.ch, gitlabstg.cern.ch, pages-dev.cern.ch, pages.cern.ch, registry-gitlabstg.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:d00:3a::100:364 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709
AAAA 2001:1458:d00:61::100:209 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709
A 188.185.51.81 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709
NS ext-dns-1.cern.ch 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709
A 188.184.98.52 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709
A 188.184.105.206 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709
NS ext-dns-2.cern.ch 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709
AAAA 2001:1458:d00:2d::100:467 2026-06-01 14:21:44.811 2026-07-24 00:57:54.709