DomainTools - Free Domain Whois Information

DomainTools is a platform for domain name research and WHOIS data.

Features:

• WHOIS Lookup: Provides details about domain owners, registration history, and more.
• Reverse WHOIS Search: Identifies all domains associated with an email address or registrant.
• Domain Monitoring: Tracks domain changes, ownership, and expirations.
• IP and DNS Tools: Provides detailed IP address and DNS record information.
• Historical Data: Access historical WHOIS and domain registration data.

Pros:

• Comprehensive Data: Offers detailed domain and ownership data.
• Wide Coverage: Covers millions of domains globally.
• Advanced Search Options: Allows filtering and sorting for in-depth research.
• API Access: Offers integration with custom systems.

Cons:

• Limited Free Access: Most detailed features require a subscription.
• Costly Plans: Premium features can be expensive for small users.
• Overwhelming for Beginners: The interface may be complex for new users.

Free Plan Details:

• Basic WHOIS Lookup: Limited to simple domain lookups with basic data.
• Limited Searches: Free users may be restricted on the number of queries per day.
• No Access to Historical Data: Access to past records and advanced features requires a paid plan.