PROFUNDISSEARCH THE DEEP

INTERNET INFRASTRUCTURE, CONNECTED

Explore the infrastructure
behind a domain.

Find the services, records and shared signals that turn a domain into an investigation.

Limited preview · No account neededSearch syntax ↗
Try a searchapple.com91.189.91.82technologies:*nginx*
Explore a connectionIllustrative data
Starting pointexample.com
Two names. One observed address.

DNS records connect example.com and api.example.com to 192.0.2.10. A shared address is a lead to examine.

Select a node to read the evidence.

INSIDE PROFUNDIS

From the first result to the next lead.

Real interface · Prepared examples

Read the records behind the domain.

Hosts, DNS, certificates and WHOIS together. Inspect a finding, refine the query and open the next tool from the data.

Try this search
profundis.io/search
Profundis interface · Illustrative dataClick the capture to explore it at full size.

Workflows for security teams

Domain monitoring, pentest reconnaissance, client reporting and automation.

Internal security teams

Monitor changes across your company’s domains.

Organize company domains by scope, monitor observed DNS, hosts and certificates, review changes and prepare recurring reports with your security team.

Pentest and cybersecurity consultancies

Research your pentest targets and save the evidence.

Prepare a pentest with host, DNS, WHOIS and certificate research. Follow infrastructure connections and keep source evidence in client engagements.

MSSPs and recurring client services

Manage monitoring and reports for each client.

Keep research separate for each client, assign credit allowances and review scheduled infrastructure changes with reports and delivery diagnostics.

Security engineering and automation teams

Query Profundis through the API and MCP.

Connect infrastructure research to your tools with the Profundis API and MCP server. Use scoped organization credentials, credit limits and signed webhooks.

Profundis for AI assistants

Your assistant. Profundis data.

Search hosts, DNS records, certificates and WHOIS from your AI assistant with our MCP server.

Connect my assistantConnection guide

Requires API access. Tool calls use your Profundis credits.

Try asking

Find the DNS records for example.com, then inspect the hosts at those addresses.

For Claude, ChatGPT and other MCP-compatible clients.

https://mcp.profundis.io

CHOOSE A STARTING POINT

What are you looking for?

All tools

Understand a host

Read its services, DNS and network context before following the next connection.

Inspect a host

Find similar sites

Start with a favicon. Compare visual matches and explore the hosts using them.

Explore favicon search

Keep an eye on infrastructure

Bring your searches into Pivot, collect evidence and monitor for new results.

Set up a monitor

SEARCH THE DEEP

Start with a domain you know.

Try a public search, then create a free account to explore further.

Start a searchCreate free accountCompare plans