Check-Host.cc

Domain

ccc.ac

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

Run a live full scan of ccc.ac

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
4
A/AAAA targets
Subdomains
162
CT + scan + body
Record Types
6
seen in DNS
Observed Certs
78
in our scans

DNS Records

A
185.248.142.186
AAAA
2a0a:51c0:1::5
MX
10 mail.server.aachen.ccc.de
NS
ns1.ccc.ac, ns2.ccc.ac
TXT
v=spf1 mx a -all
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

Every subdomain we know about — harvested from CT-log SANs, scan-observed certs and HTML body references — paired with its current A/AAAA target.

Subdomain Resolves to Last seen
30c3ctf.ccc.ac 2026-07-19 12:30:09.307
31c3ctf.ccc.ac 2026-07-19 12:30:09.307
32c3ctf.ccc.ac 2026-07-19 12:30:09.307
33c3ctf.ccc.ac 2026-07-19 12:30:09.307
34c3ctf.ccc.ac 2026-07-19 12:30:09.307
35c3ctf.ccc.ac 2026-07-19 12:30:09.307
altes-wiki.ccc.ac 2026-07-19 12:30:09.307
archive.ccc.ac 2026-07-19 12:30:09.307
auth.matrix.ccc.ac 2026-07-19 12:30:09.307
autoconfig.ccc.ac 2026-07-19 12:30:09.307
blue.matrix.ccc.ac 2026-07-19 12:30:09.307
campctf.ccc.ac 2026-07-19 12:30:09.307
ccc.ac 2026-07-19 12:30:09.307
chaosschule.ccc.ac 2026-07-19 12:30:09.307
conference.ccc.ac 2026-07-21 21:42:50.702
element.matrix.ccc.ac 2026-07-19 12:30:09.307
forgejo.ccc.ac 2026-07-19 12:30:09.307
git.ccc.ac 2026-07-19 12:30:09.307
gitlab-registry.ccc.ac 2026-07-19 12:30:09.307
gitlab.ccc.ac 2026-07-19 12:30:09.307
hackathon.ccc.ac 2026-07-19 12:30:09.307
http.sol.server.ccc.ac 2026-07-19 12:30:09.307
in.ccc.ac 2026-07-19 12:30:09.307
jabber-http.ccc.ac 2026-07-26 11:21:26.669
junior.34c3ctf.ccc.ac 2026-07-19 12:30:09.307
junior.35c3ctf.ccc.ac 2026-07-19 12:30:09.307
lists.ccc.ac 2026-07-19 12:30:09.307
matrix.ccc.ac 2026-07-19 12:30:09.307
md.ccc.ac 2026-07-19 12:30:09.307
pad-intern.ccc.ac 2026-07-19 12:30:09.307
pad.ccc.ac 2026-07-19 12:30:09.307
pads-intern.ccc.ac 2026-07-19 12:30:09.307
pads.ccc.ac 2026-07-19 12:30:09.307
pages.ccc.ac 2026-07-19 12:30:09.307
paste.ccc.ac 2026-07-19 12:30:09.307
pocorgtfo.ccc.ac 2026-07-19 12:30:09.307
status.ccc.ac 2026-07-19 12:30:09.307
webmail.ccc.ac 2026-07-19 12:30:09.307
wiki-intern.ccc.ac 2026-07-19 12:30:09.307
wiki.ccc.ac 2026-07-19 12:30:09.307
www.ccc.ac 2026-07-19 12:30:09.307
preview.ccc.ac
1970-01-01 00:00:00.000

Tech Stack

Tech detection pending

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

TLS Certificates

Subject: http.sol.server.ccc.ac
Issuer: YE1
SANs: 30c3ctf.aachen.ccc.de, 30c3ctf.ccc.ac, 31c3ctf.aachen.ccc.de, 31c3ctf.ccc.ac, 32c3ctf.aachen.ccc.de, 32c3ctf.ccc.ac, 33c3ctf.aachen.ccc.de, 33c3ctf.ccc.ac, 34c3ctf.aachen.ccc.de, 34c3ctf.ccc.ac, 35c3ctf.aachen.ccc.de, 35c3ctf.ccc.ac, aachen.ccc.de, altes-wiki.aachen.ccc.de, altes-wiki.ccc.ac, archive.aachen.ccc.de, archive.ccc.ac, auth.matrix.aachen.ccc.de, auth.matrix.ccc.ac, autoconfig.aachen.ccc.de, autoconfig.ccc.ac, blue.matrix.aachen.ccc.de, blue.matrix.ccc.ac, campctf.aachen.ccc.de, campctf.ccc.ac, ccc.ac, chaosschule.aachen.ccc.de, chaosschule.ccc.ac, deliverance.pages.aachen.ccc.de, element.matrix.aachen.ccc.de, element.matrix.ccc.ac, forgejo.ccc.ac, git.aachen.ccc.de, git.ccc.ac, gitlab-registry.aachen.ccc.de, gitlab-registry.ccc.ac, gitlab.aachen.ccc.de, gitlab.ccc.ac, hackathon.aachen.ccc.de, hackathon.ccc.ac, http.sol.server.ccc.ac, in.aachen.ccc.de, in.ccc.ac, junior.34c3ctf.aachen.ccc.de, junior.34c3ctf.ccc.ac, junior.35c3ctf.aachen.ccc.de, junior.35c3ctf.ccc.ac, lists.aachen.ccc.de, lists.ccc.ac, matrix.aachen.ccc.de, matrix.ccc.ac, md.aachen.ccc.de, md.ccc.ac, pad-intern.aachen.ccc.de, pad-intern.ccc.ac, pad.aachen.ccc.de, pad.ccc.ac, pads-intern.aachen.ccc.de, pads-intern.ccc.ac, pads.aachen.ccc.de, pads.ccc.ac, pages.aachen.ccc.de, pages.ccc.ac, paste.aachen.ccc.de, paste.ccc.ac, pocorgtfo.aachen.ccc.de, pocorgtfo.ccc.ac, status.aachen.ccc.de, status.ccc.ac, webmail.aachen.ccc.de, webmail.ccc.ac, wiki-intern.aachen.ccc.de, wiki-intern.ccc.ac, wiki.aachen.ccc.de, wiki.ccc.ac, www.aachen.ccc.de, www.ccc.ac

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
SRV _xmpp-client._tcp 0 0 5222 jabber.sol.server.ccc.ac 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307
A 185.248.142.186 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307
MX 10 mail.server.aachen.ccc.de 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307
SRV _xmpp-server._tcp 0 0 5269 jabber.sol.server.ccc.ac 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307
NS ns1.ccc.ac 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307
AAAA 2a0a:51c0:1::5 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307
TXT v=spf1 mx a -all 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307
NS ns2.ccc.ac 2026-06-01 01:24:51.472 2026-07-19 12:30:09.307