Check-Host.cc

IP Address IPv4

138.199.192.187

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

Run a live full scan of 138.199.192.187

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
ASN
AS24940
Hetzner Online
Country
DE
Germany
Reverse DNS
mail.kellersmann.art
PTR
Open Ports
3
Last scan

Autonomous System

ASN
AS Name
Hetzner Online
AS Type
RIR
RIPE NCC
Allocated
2002-06-03
Allocation status
Assigned

Geolocation

Country
DE · Germany
Continent
Europe
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-06-23 20:26:12

Network

RPKI

Open Ports

Port Proto Service Server Last seen
25 tcp smtp 2026-05-26 23:59:51.000
80 tcp http Apache/2.4.67 (Debian) 2026-05-26 14:47:08.000
443 tcp https Apache/2.4.67 (Debian) 2026-06-23 20:20:28.000

TLS Certificates

Port 443 492854fa130e…
Subject: kellersmann.art
Issuer: E8
SANs: kellersmann.art
Valid 2026-04-10 23:11:41 → 2026-07-09 23:11:40

Tech Stack

Wappalyzer fingerprinting pending

HTTP-body analysis identifies web frameworks, CMS platforms, analytics, JS libraries and server-side languages from this host.

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-leak candidates for this IP

When this IP serves a TLS cert for a domain that fronts behind a CDN, that domain surfaces here as an origin-leak candidate with a confidence score.

Hosted Domains

1 domain resolve (A-record) to this IP.

Multi-Vantage Check

Reachability accrued passively from real user-triggered checks across our 65+ probe nodes. Run a live check to add fresh data.

ICMP responsive This IP replied to our global ICMP sweep — last confirmed 2026-07-21.

No accumulated reachability data yet

Reachability accrues from real user-triggered checks. Trigger a Ping or HTTP check from our 65+ probe nodes to contribute the first data point.

Web Pages

Port Page title Status Flags
80 Apache2 Debian Default Page: It works 200

Threat Intelligence

No threat-intel matches

This IP doesn't appear in any of the feeds we mirror (Tor exits, FireHOL Level 1-3, Spamhaus DROP/EDROP, URLhaus, OpenPhish). Absence here doesn't prove the IP is clean — it just means none of our public-feed sources flag it.

Co-Hosted Domains

No DNS-confirmed domains yet

We cross-reference body-cited domains against our DNS resolver records. Confirmations appear here once both sides have data for the same name.

External References

Domains the body links to whose DNS does NOT resolve to this IP — usually CDN assets, embeds, or third-party services. Boilerplate (Google Fonts, jsDelivr, w3.org…) is already filtered.

httpd.apache.org href · ×15160
bugs.debian.org href · ×14894

History

First observed
2026-05-26 14:47
Last observed
2026-06-23 20:20
Scan observations
6

The full change-log (ASN moves, cert rotations, port-state diffs) accumulates as our archives grow.