Check-Host.cc

Domain

ysg-tec.de

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

Run a live full scan of ysg-tec.de

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
188.192.136.63, 188.192.231.5
AAAA
MX
10 mail.fc-mailsrv.de
NS
ns.inwx.de, ns2.inwx.de, ns3.inwx.eu
TXT
_2wa7tsyjx2yecl0fx80umhzgh3v7kyv, google-site-verification=reHJRXrLcSD1T5XqJj_1idULaWE-WQzfvPCxNQp9hPE, rcrwjkgmslbz7tn77tvgsr934b8cqt0j, v=spf1 a mx include:fc-server.eu -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
ysg-tec.de 2026-07-17 05:07:33.306
autoconfig.ysg-tec.de
1970-01-01 00:00:00.000
www.ysg-tec.de 2026-06-19 01:27:14.898

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.

01e7cd0e7727a5eb… sectigo · elephant2026h1
Subject: ysg-tec.de
Issuer: E8
SANs: ysg-tec.de
Valid: 2026-01-08 14:31:01 → 2026-04-08 14:31:00
5a92f31250c33ebe… sectigo · elephant2026h1
Subject: ysg-tec.de
Issuer: R13
SANs: ysg-tec.de
Valid: 2026-01-08 14:30:54 → 2026-04-08 14:30:53
6389b3bd771ca5aa… sectigo · elephant2026h1
Subject: ysg-tec.de
Issuer: R13
SANs: ysg-tec.de
Valid: 2026-01-08 14:30:54 → 2026-04-08 14:30:53
d267521e6ad42d8f… cloudflare · nimbus2026
Subject: ysg-tec.de
Issuer: E7
SANs: ysg-tec.de
Valid: 2025-11-04 18:06:25 → 2026-02-02 18:06:24
d267521e6ad42d8f… sectigo · elephant2026h1
Subject: ysg-tec.de
Issuer: E7
SANs: ysg-tec.de
Valid: 2025-11-04 18:06:25 → 2026-02-02 18:06:24
6103f0949c2ed0c1… cloudflare · nimbus2026
Subject: ysg-tec.de
Issuer: R13
SANs: ysg-tec.de
Valid: 2025-11-04 18:04:24 → 2026-02-02 18:04:23
6103f0949c2ed0c1… sectigo · elephant2026h1
Subject: ysg-tec.de
Issuer: R13
SANs: ysg-tec.de
Valid: 2025-11-04 18:04:24 → 2026-02-02 18:04:23
e42470cb5aab160e… google · argon2026h2
Subject: www.ysg-tec.de
Issuer: Trust Provider B.V. TLS RSA CA G1
SANs: www.ysg-tec.de, ysg-tec.de
Valid: 2025-10-03 00:00:00 → 2026-10-08 23:59:59
e42470cb5aab160e… cloudflare · nimbus2026
Subject: www.ysg-tec.de
Issuer: Trust Provider B.V. TLS RSA CA G1
SANs: www.ysg-tec.de, ysg-tec.de
Valid: 2025-10-03 00:00:00 → 2026-10-08 23:59:59

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
TXT rcrwjkgmslbz7tn77tvgsr934b8cqt0j 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
TXT _2wa7tsyjx2yecl0fx80umhzgh3v7kyv 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
NS ns2.inwx.de 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
A 188.192.136.63 2026-06-20 22:28:47.179 2026-06-20 22:28:47.179
SRV _autodiscover._tcp 0 1 443 mail.fc-mailsrv.de 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
NS ns3.inwx.eu 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
NS ns.inwx.de 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
MX 10 mail.fc-mailsrv.de 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
TXT google-site-verification=reHJRXrLcSD1T5XqJj_1idULaWE-WQzfvPCxNQp9hPE 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
TXT v=spf1 a mx include:fc-server.eu -all 2026-06-20 22:28:47.179 2026-07-17 05:07:33.306
A 188.192.231.5 2026-07-17 05:07:33.306 2026-07-17 05:07:33.306