SynapsInt alternatives
6 tools in the catalogue cover the same ground as SynapsInt and can replace it depending on the need. Each one is reachable, re-checked daily, and listed with its pricing.
- AltDNS (T)freePermutation-based DNS tool that generates and resolves alternative subdomains from known names.
- Aquatone (T)freeGo-based tool for domain reconnaissance that automates subdomain discovery, HTTP service scanning, screenshot capture, and visual HTML report generation for attack surface analysis.
- Bluto (T)freeRecon utility for domain intelligence including DNS records, email patterns, and infrastructure clues.
- C99.nlfreemiumMulti-purpose web-based recon toolset covering subdomain finder, reverse IP, whois, phone lookup, port scanner, malware scanner and more — 20+ tools in one.
- DNS Recon (T)freePython-based DNS enumeration script supporting zone transfers, standard record enumeration, TLD expansion, DNS brute force, and PTR lookups.
- dnspop (T)freeDNS reconnaissance utility for enumerating records and identifying domain-related infrastructure.
SynapsInt
Domain Name
Also written Synaps Int
Unified web-based OSINT research platform supporting domain, IP, SSL, analytics, email, phone, and social media lookups with subdomain enumeration.
RECOMMENDED USE
Unified OSINT research, subdomain discovery, multi-vector intelligence gathering
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Phonebook.cz
Domain NameFree OSINT intelligence tool for enumerating subdomains, email addresses and URLs associated with a target domain by querying passive DNS and certificate data.
domainIQ
Domain NameComprehensive domain intelligence platform offering reverse lookups, ownership history, and related domain discovery. Trusted by government agencies, domain investors, and legal firms.
Analyst Research Tools
Automation & FrameworksComprehensive web-based OSINT platform with 40+ integrated tools for people search, social media analysis, username enumeration, and archive searching.
DNS Recon (T)
Domain NamePython-based DNS enumeration script supporting zone transfers, standard record enumeration, TLD expansion, DNS brute force, and PTR lookups.
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