Domainsdb.info

Overview

Domainsdb.info provides access to a comprehensive repository of domain registration data, available through both a RESTful API and downloadable databases. This service is designed for developers, researchers, and businesses requiring programmatic access to information about registered domains globally. The dataset includes details such as domain names, registration and expiration dates, registrar information, nameserver configurations, and historical records. This breadth of data supports a variety of applications, including cybersecurity threat intelligence, market analysis, intellectual property monitoring, and academic studies on internet infrastructure.

For cybersecurity professionals, Domainsdb.info can facilitate identifying newly registered domains associated with phishing campaigns or brand impersonation. By tracking changes in nameserver records or registrant details, organizations can proactively detect potential threats. Researchers can utilize the historical data to observe trends in domain registration patterns, assess the lifecycle of domain names, or analyze the geographical distribution of internet resources. Developers can integrate the API into custom applications for automated domain monitoring, bulk data processing, or enhancing existing security platforms.

The service stands out for its straightforward API design and the availability of large-scale database downloads, catering to users who need to perform extensive offline analysis or integrate data into internal systems. The Domainsdb.info API documentation provides examples and specifications for common data retrieval tasks, ensuring developers can quickly implement the service. For example, retrieving WHOIS-like data for a specific domain can be achieved with a single API call, providing structured JSON responses that are easy to parse and integrate. This approach allows for efficient data extraction without the complexities often associated with parsing raw WHOIS records manually.

In comparison to other domain data providers, Domainsdb.info focuses on delivering raw, structured domain registration information. Services like WhoisXML API's WHOIS data solutions also offer extensive domain data, often including more parsed and interpreted fields, which can be useful for applications requiring deeper analytical insights without additional processing steps. Domainsdb.info's model is particularly beneficial for users who prefer to manage and process the raw data themselves, offering flexibility in how the information is utilized within their specific workflows or research methodologies.

Key features

• Domain Data API: Provides programmatic access to current and historical domain registration information via a RESTful interface. Users can query individual domains or perform bulk lookups.
• Domain Database Downloads: Offers large datasets of registered domains for offline analysis and integration into custom systems. These downloads can include daily updates or full historical archives.
• Comprehensive Data Fields: Each domain record typically includes registration date, expiration date, registrar, nameservers, status, and associated contact information (where publicly available).
• Historical Data Access: Allows users to retrieve past registration details, which is critical for trend analysis, forensic investigations, and tracking ownership changes over time.
• Flexible Querying: Supports various query parameters for filtering and retrieving specific subsets of domain data, enhancing the precision of data retrieval.
• Example Code Snippets: Documentation includes practical code examples in multiple programming languages to assist developers with integration.
• Rate Limiting Management: Implements clear rate limits and provides mechanisms for handling API usage efficiently, including options for higher request volumes on paid plans.

Pricing

Domainsdb.info offers a tiered pricing structure that includes a free tier and various paid plans, escalating with the number of API requests. Custom enterprise solutions are available for organizations with specialized requirements.

Pricing information is accurate as of May 2026. For the most current details, refer to the Domainsdb.info pricing page.

Common integrations

Domainsdb.info's API is designed for integration into various technical environments and workflows. Its RESTful nature and JSON output make it compatible with most modern programming languages and data processing tools. Common integration scenarios include:

• Security Information and Event Management (SIEM) Systems: Integrating domain data into SIEM platforms can enrich event logs with contextual information about suspicious domains, aiding in threat detection and incident response.
• Threat Intelligence Platforms: Feeding domain registration data into threat intelligence systems helps maintain up-to-date blacklists and whitelists, enhancing the overall security posture.
• Data Analysis Tools: Importing domain database downloads into tools like SQL databases, Splunk, or Elastic Stack for advanced querying, visualization, and correlation with other datasets.
• Custom Web Applications: Developers can build custom tools for domain monitoring, competitor analysis, or intellectual property tracking by integrating the API directly into their web services.
• CRM and Sales Automation: For businesses focused on domain-related services, integrating domain data can help identify potential leads or monitor client domain portfolios.
• Regulatory Compliance Systems: Organizations subject to specific internet governance regulations can use the data to monitor compliance of their registered assets.

Alternatives

Several other services offer domain data and WHOIS information, each with distinct features and pricing models:

• WhoisXML API: Provides comprehensive WHOIS data, domain intelligence, and cybersecurity feeds, often with parsed and categorized data fields.
• DomainTools: Offers a suite of domain and DNS intelligence solutions, including advanced threat intelligence, investigative tools, and monitoring services.
• RapidAPI (Domain APIs): A marketplace hosting numerous domain-related APIs from various providers, allowing users to compare and subscribe to different services.
• WHOIS Lookup Tools: Many free online WHOIS lookup tools provide basic domain registration information, suitable for ad-hoc queries but lacking programmatic access or bulk capabilities.

Getting started

To begin using the Domainsdb.info API, you will typically obtain an API key and then make HTTP GET requests to the API endpoints. Below is an example using Python's requests library to retrieve information for a specific domain.

import requests
import json

# Replace with your actual API key from Domainsdb.info
API_KEY = "YOUR_API_KEY"
DOMAIN = "example.com"

# API endpoint for domain lookup
url = f"https://domainsdb.info/api/v1/domain/{DOMAIN}"

headers = {
    "Authorization": f"Bearer {API_KEY}"
}

try:
    response = requests.get(url, headers=headers)
    response.raise_for_status()  # Raise an HTTPError for bad responses (4xx or 5xx)
    domain_data = response.json()

    print(f"Domain: {domain_data.get('domain')}")
    print(f"Registered: {domain_data.get('create_date')}")
    print(f"Expires: {domain_data.get('expire_date')}")
    print(f"Registrar: {domain_data.get('registrar')}")
    print(f"Nameservers: {', '.join(domain_data.get('nameservers', []))}")
    print("\nFull data:")
    print(json.dumps(domain_data, indent=2))

except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err}")
    print(f"Response content: {response.text}")
except requests.exceptions.ConnectionError as conn_err:
    print(f"Connection error occurred: {conn_err}")
except requests.exceptions.Timeout as timeout_err:
    print(f"Timeout error occurred: {timeout_err}")
except requests.exceptions.RequestException as req_err:
    print(f"An unexpected error occurred: {req_err}")

This Python script demonstrates how to construct a request, include the API key for authentication, and parse the JSON response. The requests.get() method sends the request, and response.json() converts the response body into a Python dictionary. Error handling is included to manage common network or API-related issues. Remember to replace "YOUR_API_KEY" with your actual API key obtained after signing up on the Domainsdb.info website. For detailed API specifications and additional endpoints, consult the Domainsdb.info API reference documentation.