AI TOOL PROFILE

WhoisXML API: Domain, WHOIS, IP, and DNS Intelligence

WhoisXML API helps security teams and brand managers monitor internet infrastructure and detect threats. It supports businesses needing to track typosquatting or enrich security operations data.
  • Data and Analytics
  • API Development
  • Security Operations Centers (SOCs)
  • Managed Security Service Providers (MSSPs)
  • Brand Managers
  • Cybersecurity Researchers
  • Software Developers

Pricing

The service uses a freemium model with a free tier providing 500 API credits. Enterprise API packages are available as annual subscriptions; buyers should confirm current pricing on the vendor website.

At a glance

Best for
Security Operations Centers (SOCs), Managed Security Service Providers (MSSPs), Brand Managers, Cybersecurity Researchers, Software Developers
Key use cases
Brand Protection, Cyber Threat Intelligence, Incident Response and Forensics, Attack Surface Management
Visit whois api webservicewhois api webservice software interface screenshot

How AI is used

WhoisXML API is a data intelligence platform that provides information on domain ownership, DNS records, and IP geolocation. It is designed for users ranging from small business owners protecting a brand to enterprise security operations centers (SOCs) and law enforcement agencies.

The service supports cybersecurity tasks such as threat detection, attack surface management, and digital forensics. By providing real-time and historical data, it helps users identify connections between domains and registrants or track changes in DNS records over time.

Buyers should confirm whether they need a simple lookup tool or a full API integration. While the platform offers data feeds and predictive tools, the technical requirements are high, making some features more suitable for developers or security professionals.

Key Features

  • WHOIS and DNS APIs

    Provides current and historical ownership information and DNS records for domains and IP addresses.

  • IP Geolocation and Netblocks

    Delivers geographical data, time zones, and network ownership details for specific IP addresses.

  • Brand Alert API

    Monitors recently registered and deleted domains for trademarked words or brand variations.

  • First Watch Predictive Intelligence

    Uses a deep learning neural network to identify domains likely to become malicious shortly after registration.

  • Domain Research Suite

    A web-based solution for searching and monitoring domain registrations and ownership details.

  • Data Feeds

    Offers downloadable databases of WHOIS, DNS, and SSL certificates.

Use Cases

  • Brand Protection

    Monitoring for typosquatting and impersonation attempts to help reduce the risk of phishing and trademark abuse.

  • Cyber Threat Intelligence

    Enriching security platforms like SIEM or SOAR with internet data for threat contextualization.

  • Incident Response and Forensics

    Using historical WHOIS and DNS records to help map out attacker infrastructure.

  • Attack Surface Management

    Identifying digital assets and discovering potential vulnerabilities in DNS or SSL infrastructure.

FAQ

What is the First Watch API?

It is a predictive tool that uses a neural network to identify domains likely to be malicious within hours of registration, before they are used in an attack.

Does WhoisXML API have a free version?

Yes, they offer a free tier that includes 500 API credits and does not require a credit card to start.

Who is this software best for?

It is designed for security platforms, MSSPs, SOCs, brand managers, and companies needing visibility into internet infrastructure.

Source category: Data & Analytics

Source subcategory: API Development

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