Start from one domain. Follow what it shares.
Profundis searches hosts, DNS, certificates and WHOIS, and links the records that share an address, a certificate, a favicon, a tracking identifier or a registrant.
- Try a search
apple.com91.189.91.82technologies:*nginx*- Search in
- Seed example.com
- CNAME target www.
example. CNAMEcom-v4. edgesuite.net - IP address 93.
184. Passive DNS216.34 - Certificate shared TLS certificateCertificate SAN
- Nameserver elliott.
ns. WHOIScloudflare.com - Domain www.
example.com CNAME - CNAME target a1422.
dscr. CNAMEakamai.net - LockedPassive DNS
- LockedWHOIS
The same reading in Pivot
Seed Pivot with a domain, an IP address or a favicon. Select a node to read its correlations, then pivot again from any of them.
Open Pivot

Profundis for AI assistants
Search hosts, DNS records, certificates and WHOIS from your AI assistant with our MCP server.
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.ioSeed your own graph.
Search a domain, an IP address or a technology, then open any result in Pivot.
Beyond the browser
- Monitors
Save a query. New results arrive by email or in your team’s tools.
Set up a monitor- API
The same searches over HTTPS, described in OpenAPI.
Read the API guide- Organizations
Client workspaces, credit allowances and single sign-on for teams.
See team plans