Check-Host.cc

Domain

csys.ch

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

Run a live full scan of csys.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
2
A/AAAA targets
Subdomains
4
CT + scan + body
Record Types
6
seen in DNS
Observed Certs
3
in our scans

DNS Records

A
185.85.110.150
AAAA
2a14:6640:200:1::96
MX
10 sr40.firestorm.ch
NS
dns11.firestorm.ch, dns12.firestorm-isp.com, dns13.firestorm-isp.com, dns14.firestorm.ch
TXT
v=spf1 include:spf.firestorm.ch -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

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

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
NS dns12.firestorm-isp.com 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
SRV _autodiscover._tcp 0 0 443 csys.ch 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
NS dns14.firestorm.ch 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
A 185.85.110.150 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
NS dns13.firestorm-isp.com 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
NS dns11.firestorm.ch 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
AAAA 2a14:6640:200:1::96 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
TXT v=spf1 include:spf.firestorm.ch -all 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407
MX 10 sr40.firestorm.ch 2026-06-16 15:00:57.407 2026-06-16 15:00:57.407