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Both formats cover the exact same collection of domains, but they differ in the amount of information provided.
A basic domain list is a simple text file with one domain name per line—nothing more, nothing less. It's perfect when you only need the domain names themselves.
A detailed dataset includes everything from the basic list plus additional metadata: nameservers, IP addresses, email addresses, and phone numbers extracted from the corresponding websites.
Want to see examples? Check out a sample domain list or a sample dataset.
Absolutely! We provide free sample files so you can evaluate the data format and quality. Download a sample domain list or a sample dataset to get started.
Many popular domain zones contain tens of millions of records, which exceeds Excel's row limits. To handle these large files, we recommend using specialized tools:
No. We extract email addresses and phone numbers directly from the websites associated with each domain. Many websites don't publish this information publicly, so we cannot guarantee that every domain will have contact details in the dataset.
Important: This data should only be used for legitimate, targeted outreach in compliance with applicable anti-spam laws and regulations. Bulk unsolicited email is prohibited.
Active domains are all domains that are delegated (meaning they have at least one DNS nameserver assigned to them and appear in global zone files). If a domain isn't delegated, it won't appear in zone files or in our lists.
Non-delegated domains represent a very small fraction of the total domain space, so they're typically not a concern for most use cases.
We update our data daily, tracking which domains appear in or disappear from global zone files. By comparing these daily snapshots, we identify and compile lists of newly registered domains and deleted domains.
Many country code top-level domains (ccTLDs) don't provide public access to their zone files, which makes daily updates impossible for those specific zones.
However, our web crawlers scan hundreds of millions of domains each month and discover country-code domains through cross-references and links. After validation and verification, these discovered domains are included in our datasets. While the majority of country-code domains are captured, these datasets are refreshed on a different schedule from the daily-updated zones.
Our API is designed specifically for developers who need automated, programmatic access to domain data. You can download individual datasets or the complete collection of all domains automatically. The API handles authentication and file compression and gives you reliable access to our data feeds.
For complete API documentation, including authentication, endpoints, and code examples, visit our API documentation.
Yes! Our API is designed for integration with business intelligence platforms, analytics tools, and custom applications. You can pull data directly into your existing workflows, dashboards, and data pipelines. All the technical details you need are available in our API documentation.
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