Domain Tools screenshot

What is Domain Tools?

Domain Tools is a free online service for looking up and monitoring domain name information. It gives you access to DNS records and Whois data, which shows who owns a domain, when it expires, and how it's configured on the internet. The tool is useful if you need to check domain ownership, verify DNS settings, or keep an eye on domains you're interested in. It's straightforward to use; you enter a domain name and get back detailed technical information without needing to sign up or pay. The freemium model means basic lookups are free, though premium features may be available for users who need more advanced monitoring or bulk checking.

Key Features

DNS record lookup

view A records, MX records, CNAME entries, and other DNS configuration data

Whois information

check domain registrant details, expiration dates, and registration history

Domain monitoring

track changes to DNS settings or domain status over time

Batch checking

look up multiple domains in one go rather than one at a time

History tracking

see how domain records have changed in the past

Pros & Cons

Advantages

  • Free to use for basic domain lookups; no payment required to start
  • Provides both DNS and Whois data in one place, saving you visiting multiple sites
  • Quick results; enter a domain and get information instantly
  • Useful for diagnosing domain configuration issues or verifying ownership claims

Limitations

  • Some advanced monitoring or reporting features likely require a paid subscription
  • Limited to domain research; doesn't include tools for registering or managing domains directly

Use Cases

Checking if a domain you want is available or who currently owns it

Verifying DNS records when setting up email, hosting, or other services

Monitoring competitor domains or domains in your industry

Diagnosing email delivery problems by examining MX records

Due diligence when buying or leasing a domain from another owner