Phonebook.cz alternatives
6 tools in the catalogue cover the same ground as Phonebook.cz and can replace it depending on the need. Each one is reachable, re-checked daily, and listed with its pricing.
- Amass (T)freeAdvanced attack surface mapping framework for DNS and subdomain enumeration with graph correlation and extensive data-source support.
- Subfinder (T)freeFast passive subdomain discovery utility that aggregates results from many curated OSINT and API-backed sources.
- DNS DumpsterfreeFree domain research tool that discovers hosts and subdomains related to a domain. Provides DNS record enumeration (MX, TXT, Host) with a visual map of discovered infrastructure.
- crt.sh - Certificate SearchfreeCT log viewer aggregating certificate data from multiple Certificate Transparency logs. Search for all certificates ever issued to a domain to discover subdomains and detect certificate misuse.
- 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.
Phonebook.cz
Domain Name
Also written Phonebook cz
Free OSINT intelligence tool for enumerating subdomains, email addresses and URLs associated with a target domain by querying passive DNS and certificate data.
RECOMMENDED USE
Rapid email and subdomain enumeration from a single domain query
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SubDomainRadar.io
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SynapsInt
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RapidDNS
Domain NameFast subdomain and reverse DNS lookup tool. Enumerate subdomains, find domains sharing an IP, discover certificate transparency data and perform bulk DNS queries.
Validin
Domain NameInternet intelligence platform offering passive DNS history, subdomain enumeration, IP/domain reputation, certificate data, YARA support, and lookalike domain detection.
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