Check-Host.cc

IP Address IPv4

140.211.166.85

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

Run a live full scan of 140.211.166.85

On-demand: ports, banners, TLS, tech-stack, subdomains and origin/IP-leak detection. Results are shared publicly for everyone to link to.

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ASN
AS3701
Link Oregon
Country
US
United States
Reverse DNS
140-211-166-85-openstack.osuosl.org
PTR
Open Ports
2
Last scan

Autonomous System

ASN
AS Name
Link Oregon
AS Type
RIR
ARIN
Allocated
1994-07-02
Allocation status
Allocated

Geolocation

Country
US · United States
Continent
North America
Source
MaxMind GeoLite2

Reverse DNS

Last seen
2026-07-24 01:55:19

Network

RPKI

Open Ports

Port Proto Service Server Last seen
80 tcp http Apache/2.4.41 (Ubuntu) 2026-06-23 19:52:44.000
443 tcp https Happstack/7.6.1 2026-07-24 01:55:04.000

TLS Certificates

Port 443 75c00cb8d9b7…
Subject: darcs.net
Issuer: YR2
SANs: bugs.darcs.net, bugs.vm3.darcs.net, darcs.net, vm3.darcs.net, wiki.darcs.net, wiki.vm3.darcs.net, www.darcs.net, www.vm3.darcs.net
Valid 2026-05-28 19:14:29 → 2026-08-26 19:14:28

Tech Stack

Detected via Wappalyzer-style rules on the HTTP response body, headers, scripts and meta tags.

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.

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 2026-07-28.

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
443 Darcs - FrontPage 200
80 Apache2 Ubuntu 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

Domains this host references in its HTML AND whose DNS A/AAAA record resolves back to this IP — i.e. actually hosted here.

darcs.net DNS-confirmed

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.

hackage.haskell.org href · ×12
bugs.launchpad.net href · ×1
www.haskellstack.org href · ×1
launchpad.net href · ×1
www.mercurial-scm.org href · ×1
www.haskell.org href · ×1
subversion.apache.org href · ×1
sfconservancy.org href · ×1
httpd.apache.org href · ×1
search.nixos.org href · ×1
git-scm.com href · ×1

History

First observed
2026-06-23 19:52
Last observed
2026-07-24 01:55
Scan observations
4

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