Profundis alternatives to the major internet-intelligence engines
See how Profundis compares to the engines you already know. Each guide unifies exposed hosts and services with DNS, WHOIS, TLS certificates and perceptual favicon search in one field:value engine - pick the comparison that fits your stack.
Profundis is a unified internet-intelligence search engine for security researchers, OSINT analysts and bug-bounty hunters. Where many tools focus on a single dataset, Profundis brings host and service discovery, DNS, WHOIS, certificates and virtual hosts together under one query language. The guides below show, dataset by dataset, what that unified approach changes versus each engine.
A unified internet-intelligence engine - exposed hosts and services, DNS (live + historical/passive), WHOIS (with reverse/registrant lookups), TLS certificates and virtual hosts - all searchable in one place with a field:value syntax (wildcards, AND/OR/NOT).
Favicon perceptual-similarity search (MMH3 + visual similarity) that finds visually similar favicons, not just exact icon-hash matches - Profundis’s signature differentiator.
An official MCP (Model Context Protocol) server, so AI agents like Claude can call Profundis search as native tools - AI-agent-native distribution.
A full OSINT tools suite: typosquatting scanner, subdomain enumeration, registrant explorer (reverse-WHOIS corporate recon), analytics-ID lookup, domain portfolio analyzer, entity-intelligence flow graph, ASN details and reverse-IP.
A free tier with no signup required for the hosts and DNS anonymous preview, plus transparent credit-based pricing from Free to Basic, Professional and Enterprise.
Compare Profundis to
Shodan
Profundis vs Shodan
Shodan is widely known as one of the original search engines for internet-connected devices and exposed services.
Censys
Profundis vs Censys
Censys is widely known for certificate-centric internet scanning and attack-surface management.
SecurityTrails
Profundis vs SecurityTrails
SecurityTrails is widely known for DNS and WHOIS history and subdomain data.
BinaryEdge
Profundis vs BinaryEdge
BinaryEdge is widely known for internet scanning and internet-wide exposure data.
FOFA
Profundis vs FOFA
FOFA is widely known as a cyberspace search engine with a powerful query syntax, including favicon icon-hash search.
ZoomEye
Profundis vs ZoomEye
ZoomEye is widely known as a cyberspace / asset search engine.
Netlas
Profundis vs Netlas
Netlas is widely known as a newer internet-intelligence and attack-surface platform.
Explore Profundis