Download websites that use Splunkd

About Splunkd

Finding this daemon from the public internet is, in most organisations, an accident rather than an architecture. Splunkd is the working core of a machine data platform, and its natural home is inside a network, indexing logs and events from servers, appliances and applications that nobody outside the company should be able to reach. When a management interface answers a crawler instead, what has been discovered is an operations tool with a door onto the street.

The platform behind the daemon is Proprietary software from Cisco (Splunk), written in C++ and on the market since 2004, which is long enough for it to have accumulated every role an enterprise could hand it: infrastructure monitoring, incident response, compliance reporting and the security event analysis that regulated industries are obliged to retain. An internet-facing instance of that stack is a heavier finding than an exposed web server, because the value of the tool is precisely that it has already collected the sensitive material from everything around it.

As of October 2026 we see the fingerprint on 34 sites, and the number should not be read as adoption. Real adoption of the platform is far wider than any web crawl can observe, since a correctly deployed installation is unreachable from outside by design. What the count measures is exposure, meaning the narrow subset of deployments that answer on a hostname a crawler can resolve. Movement in that subset is more interesting than its size, because the subset should be shrinking.

Naming is also worth a caveat. The daemon carries its own product name, distinct from the suite it belongs to, and the vendor relationship recorded here reflects an acquisition rather than the original developer, so anyone matching this list against procurement records or against older technology indexes should expect the labels to disagree even when the underlying software is identical.

Two audiences read a list like this from opposite ends. Security researchers and attack-surface vendors want the exposed set as a population, so they can measure how fast it contracts after an advisory or expands after a hurried migration into a cloud region. The commercial audience wants the same domains for a different reason: an exposed instance is evidence that a company runs the platform at all, which no corporate website will ever tell you, and that evidence qualifies a sales conversation about observability, log volume or migration away from it. A per-domain lookup confirms one host on one day. The export supports the question that actually matters, which is whether exposure is one team's habit or an industry's pattern, and whether the companies running this stack are the ones a vendor thought they were.