---
title: Where can I find specifications for all your databases and feeds?
description: Where can I find specifications for all your databases and feeds?
---

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1. [Knowledge Base](https://knowledge.whoisxmlapi.com/?hsLang=en)
2. [Databases / Data Feeds](https://knowledge.whoisxmlapi.com/databases-data-feeds?hsLang=en)

# Where can I find specifications for all your databases and feeds?

See below for a complete list of our databases' specifications (covering information on files, output structure, file samples, and downloading options):

- WHOIS Database Download / WHOIS History Database: [Specifications](https://whois.whoisxmlapi.com/database/specifications/datafeed-files)
- DNS Database Download: [Specifications](https://dns-history.whoisxmlapi.com/database/specifications)
- IP Geolocation Database Download: [Specifications](https://ip-geolocation.whoisxmlapi.com/database/specifications/datafeed-files)
- IP Netblocks WHOIS Database: [Specifications](https://ip-netblocks.whoisxmlapi.com/database/specifications/datafeed-files)
- Newly Registered Domains: [Specifications](https://newly-registered-domains.whoisxmlapi.com/specifications/v2/datafeed-files)
- Newly Created Websites: [Specifications](https://newly-created-websites.whoisxmlapi.com/specifications)
- First Watch Malicious Domains Data Feed: [Specifications](https://firstwatch.whoisxmlapi.com/specifications/datafeed-files)
- Real-time Domain Registration: [Specifications](https://domain-registration-streaming.whoisxmlapi.com/specifications/data-streaming)
- SSL Certificates Database: [Specifications](https://ssl-certificates.whoisxmlapi.com/database/specifications/datafeed-files)
- Real-time SSL Certificates Streaming: [Specifications](https://ssl-certificates.whoisxmlapi.com/real-time-streaming/specifications/data-streaming)
- Subdomains Database Download: [Specifications](https://subdomains.whoisxmlapi.com/database/specifications)
- Typosquatting Data Feed: [Specifications](https://typosquatting.whoisxmlapi.com/specifications/faq)
- Threat Intelligence Data Feeds: [Specifications](https://threat-intelligence.whoisxmlapi.com/specifications)
- Website Categorization Database: [Specifications](https://website-contacts.whoisxmlapi.com/database/specifications/datafeed-files)
- Disposable Email Domains Database / Free Email Domains Database: [Specifications](https://emailverification.whoisxmlapi.com/disposable-email-domains/specifications)
- MAC Address Vendor Database: [Specifications](https://mac-address.whoisxmlapi.com/database/specifications/datafeed-files)
- Early DGA Detection Data Feed: [Specifications](https://threat-prediction.whoisxmlapi.com/early-dga-detection-feed/specifications)
- Early Warning Phishing Data Feed: [Specifications](https://threat-prediction.whoisxmlapi.com/early-warning-phishing-feed/specifications)

- [NRD2](https://knowledge.whoisxmlapi.com/nrd2?hsLang=en#main-content)

    - [Tutorials](https://knowledge.whoisxmlapi.com/nrd2?hsLang=en#tutorials)
- [General Support](https://knowledge.whoisxmlapi.com/general-support?hsLang=en)
- [WHOIS Domain Data](https://knowledge.whoisxmlapi.com/whois-domain-data?hsLang=en#main-content)

    - [WHOIS vs. Historical WHOIS](https://knowledge.whoisxmlapi.com/whois-domain-data?hsLang=en#whois-vs-historical-whois)
    - [Quarterly feeds](https://knowledge.whoisxmlapi.com/whois-domain-data?hsLang=en#quarterly-feeds)
    - [WHOIS data fields](https://knowledge.whoisxmlapi.com/whois-domain-data?hsLang=en#whois-data-fields)
    - [Bulk WHOIS Lookup](https://knowledge.whoisxmlapi.com/whois-domain-data?hsLang=en#bulk-whois-lookup)
- [DNS Data](https://knowledge.whoisxmlapi.com/dns-data?hsLang=en)
- [APIs](https://knowledge.whoisxmlapi.com/apis?hsLang=en#main-content)

    - [WHOIS API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#whois-api)
    - [WHOIS History API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#whois-history-api)
    - [DNS Lookup API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#dns-lookup-api)
    - [IP Geolocation API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#ip-geolocation-api)
    - [Email Verification API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#email-verification-api)
    - [Domain Reputation API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#domain-reputation-api)
    - [Subdomain Lookup API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#subdomain-lookup-api)
    - [Reverse WHOIS API](https://knowledge.whoisxmlapi.com/apis?hsLang=en#reverse-whois-api)
- [Databases / Data Feeds](https://knowledge.whoisxmlapi.com/databases-data-feeds?hsLang=en#main-content)

    - [Threat Intelligence Data Feeds (TIDF)](https://knowledge.whoisxmlapi.com/databases-data-feeds?hsLang=en#threat-intelligence-data-feeds-tidf)
    - [IP Geolocation / IP Netblocks Databases](https://knowledge.whoisxmlapi.com/databases-data-feeds?hsLang=en#ip-geolocation-ip-netblocks-databases)
- [Legacy](https://knowledge.whoisxmlapi.com/legacy?hsLang=en)
- [Dev & Data Science Corner](https://knowledge.whoisxmlapi.com/dev-data-science-corner?hsLang=en#main-content)

    - [Dev resources](https://knowledge.whoisxmlapi.com/dev-data-science-corner?hsLang=en#dev-resources)
- [Domain Research Suite (DRS)](https://knowledge.whoisxmlapi.com/domain-research-suite-drs-1?hsLang=en)
- [IP Data](https://knowledge.whoisxmlapi.com/ip-data?hsLang=en)

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