DNS History for Enhanced Cybersecurity | WhoisXML API

DNS history solutions for enhanced internet transparency and cybersecurity

Explore DNS record history to identify domain changes, infrastructure evolution, and potential threats with our consumption models—Lookup, API, and Database Download.

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500 free API requests. No credit card required.

50 Billion+Domains and subdomains
116 Billion+DNS records
7,596+gTLDs and ccTLDs tracked
52,000+Satisfied customers

Our DNS History product line includes:

  • DNS Database Download

    DNS Database Download

    Obtain direct access to passive DNS A, AAAA, MX, NS, TXT, CNAME, SOA, and PTR record files from our market-leading database of historical DNS records.

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  • API

    API (coming soon)

    DNS Chronicle API can easily be integrated into existing security platforms, workflows, and other tools requiring passive DNS intelligence.

  • Lookup

    Lookup (coming soon)

    Easily retrieve the historical DNS A and AAAA records of any domain by typing it into our GUI.

Benefits

  • Сomprehensive

    Our historical DNS record database is one of the largest of its kind, with billions of recorded events, allowing you to dive deep into web properties’ DNS history and connections.

  • Easy to integrate

    Our DNS Database Download is available via CSV files. Our DNS Chronicle API is also designed for easy integration and supports popular programming languages and platforms.

  • Scalable

    Choose the best consumption model for you—lookup, API, or database download—to fit your unique requirements.

DNS Database | WhoisXML API

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Practical Usage

  • DNS asset discovery

    Keep asset inventory current by uncovering connected or hidden domains and subdomains used for specific web applications and services.

  • Threat detection

    Identify unusual DNS resolution patterns that may indicate botnet activity or compromised infrastructures used to host or distribute malware.

  • Threat actor monitoring

    Stay alerted to DNS resolutions associated with known threat actors, and uncover patterns or anomalies that could indicate malicious activity.

  • Brand protection

    Monitor DNS record changes to detect domain hijacking attempts and assess how associated domains could affect brand reputation.

  • Third-party risk scoring

    Use DNS data to trace domain configuration changes, identify connected infrastructure, and detect suspicious activities linked to vendors and other third parties.

  • Fraud detection

    Spot fraudulent behaviors by analyzing DNS patterns, domain ownership changes, and previous associations with malicious servers.




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