Check-Host.cc

Domain

rt2.i.cz

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

Run a live full scan of rt2.i.cz

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
78.31.27.169
AAAA
MX
11 vidle.i.cz, 111 roomeo.i.cz
NS
TXT
CNAME
CAA
128 issue "letsencrypt.org"

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: rt2.i.cz
Issuer: YR1
SANs: rt2-int.i.cz, rt2-nis.i.cz, rt2-rt.i.cz, rt2-sicz.i.cz, rt2.i.cz

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
MX 111 roomeo.i.cz 2026-06-21 03:47:23.473 2026-07-26 12:40:14.841
CAA 128 issue "letsencrypt.org" 2026-06-21 03:47:23.473 2026-07-26 12:40:14.841
MX 11 vidle.i.cz 2026-06-21 03:47:23.473 2026-07-26 12:40:14.841
A 78.31.27.169 2026-06-21 03:47:23.473 2026-07-26 12:40:14.841