DNSlytics provides reverse IP, NS, MX, WHOIS, and domain lookup tools.
Netlas:
Netlas provides search tools for internet infrastructure, including DNS, WHOIS, and IP lookups.
About Netlas:
Netlas.io is an internet-wide scanning and OSINT platform for exploring online assets. It provides search tools for internet infrastructure, including DNS records, IP WHOIS, domain WHOIS, SSL certificates, and internet scan data. It also includes tools for attack surface discovery and non-intrusive security assessment.
Users can search across data collections by WHOIS fields, GeoIP data, DNS information, protocol attributes, technology identifiers, and known vulnerabilities. The site offers an IoT search engine, an Attack Surface Discovery Tool for mapping domains, IPs, services, and certificates, plus datastore access, an API, SDK, and CLI. Documentation, a cookbook, featured queries, and code samples support learning and automation.
It suits security researchers, penetration testers, and IT teams handling reconnaissance, attack surface management, threat hunting, OSINT investigations, and checks for shadow IT and phishing threats. It is available via web and Windows and its content is in English.
Key features
- DNS lookup for DNS records
- IP WHOIS lookup
- Domain WHOIS lookup
- SSL certificates search
- IoT search for connected devices
- API, SDK and CLI for data access
Best for: Security researchers, penetration testers, and IT teams working on reconnaissance, attack surface management, and OSINT investigations benefit most.
Good for
- Covers DNS, WHOIS, SSL and scan data in one place
- Supports API, SDK and CLI for automation
- Includes documentation, cookbook and query examples
Watch out for
- Pricing details are not specified in the available text
Netlas: at a glance
- Website
- netlas.io
- Category
- Development › Domain, IP & DNS Lookup
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Netlas: alternatives
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Netlas: FAQ
What is Netlas.io used for?
It is used to search internet infrastructure data, including DNS, WHOIS, SSL certificates and scan data, for reconnaissance and security research.
Does Netlas offer an API?
Yes, the site lists a Netlas API with SDK and CLI installation documentation for data access and automation.
Can Netlas help with attack surface management?
Yes, it provides an Attack Surface Discovery Tool to map relationships between domains, IPs, services and certificates.
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