DNS Database Download | The Largest Passive DNS Coverage | WhoisXML API

Access the Largest, Most Unique DNS Database Download Coverage

DNS Database Download gives you access to market-leading repositories of passive DNS (pDNS), also known as historical DNS data, with the highest number of unique fully qualified domain names (FQDNs).

We offer the data through our Premium and Standard databases, each with coverage tiers, update frequencies, and DNS record types.

DNS Database Download
50 Billion+Domains and subdomains
116 Billion+DNS records
52,000+Satisfied customers
14+Years of data crawling

Benefits of Our Historical DNS Data

  • Comprehensive

    Gain a 360-degree view of the DNS by accessing intelligence for millions of domain names and their IP resolutions and other DNS records.

  • Parsed and Structured

    We offer different files for each DNS record type, making data processing and integration easier. All files are downloadable in CSV format.

  • Varied Update Frequencies

    Get full DNS data access and daily, weekly, or monthly DNS record updates to stay on top of the most recent DNS events in line with your business needs.

DNS Database Download comes in various tiers and packages

  • Premium

    Access our full premium DNS database with the most extensive DNS coverage, supplemented by daily files to track DNS record changes.

  • Standard

    Access our full standard DNS database updated weekly with standard DNS coverage, supplemented by daily files to track DNS record changes.

Download DNS Database Sample

What are the records tracked with our DNS Database Download service?

  • A

    Maps a domain name to an IPv4 address.

  • MX

    Designates the mail server where emails should be sent.

  • NS

    Points to the authoritative server for the given domain name.

  • TXT

    Contains information about a domain in text format.


    Maps a domain name to a canonical name.

  • SOA

    Contains data for a given domain or DNS zone.

  • AAAA

    Maps a name to an IPv6 address.

  • PTR

    Maps an IP address to a domain name.

DNS Database | WhoisXML API

DNS Database Download can be configured to match your specific data access requirements.

Take a look at our product sheet and contact us for pricing and other details.

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Practical Usage

Accelerate threat detection and response

Stay one step ahead by analyzing passive DNS data to detect and mitigate potential threats, such as new and existing malware variants and threat patterns.

Monitor threat actors’ DNS footprints

Don’t lose sight of threat actors and their tactics, techniques, and procedures (TTPs) on the Internet. Intensify threat actor monitoring by tracking their historical DNS footprints and exposing malicious connections and infrastructures.

Provide security solutions with a complete view of the DNS

Reduce cyber blind spots by feeding security applications with the most extensive and complete passive DNS data, allowing users to leverage otherwise hidden and untapped intelligence.

Bring attack surfaces and hidden connections to light

Widen asset discovery and vulnerability management—find suspicious and malicious DNS patterns and connections by analyzing historical DNS data and verifying that you or your clients are not vulnerable.

DNS Database Download | WhoisXML API

API integration available

Learn more about API integration