Who are these web tools for?

They are built for developers, marketers, analysts, support teams, and technical writers who need fast domain diagnostics, such as checking a domain's registrar, age, expiry date, or nameservers.

What can I look up with the WHOIS tool?

You can look up a domain's registrar, registration and expiry dates, status codes, nameservers, and DNSSEC information using RDAP, the structured successor to WHOIS.

Which tool should I use first?

Start with the WHOIS & Domain Lookup tool. Enter any domain name to see its registration data, ownership timeline, and nameserver setup in seconds.

Can I use these tools on mobile?

Yes. The tools are responsive and work on desktop and mobile browsers. Longer lookup results are simply easier to inspect on larger screens.

Are these tools free?

Yes. All tools in this category are free to use with no signup requirement.

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Web Tools

Practical utilities for everyday web development and troubleshooting. Fast, free, and browser-based.

WHOIS & Domain Lookup

Look up domain registration data — registrar, dates, status, nameservers, and DNSSEC via RDAP.

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What is Web Tools?

This category features the WHOIS & Domain Lookup tool for researching domain registrations. Check who owns a domain, when it was registered and expires, its registrar, nameservers, and DNSSEC status — all from your browser with no installs.

How to Use Web Tools

Key Features

About Web Tools

What This Category Covers

Web tools help with domain research and troubleshooting. The WHOIS & Domain Lookup tool retrieves registration data over RDAP, the modern successor to the WHOIS protocol, so you can verify domain ownership details, registration and expiry dates, registrar information, and nameserver configuration.

FastTools Web Tools are designed for quick workflows: open the tool, enter a domain, and review the results. It is useful for checking domain availability signals, investigating suspicious sites, auditing your own domain portfolio, and confirming DNSSEC status.

Frequently Asked Questions

Who are these web tools for?: They are built for developers, marketers, analysts, support teams, and technical writers who need fast domain diagnostics, such as checking a domain's registrar, age, expiry date, or nameservers.
What can I look up with the WHOIS tool?: You can look up a domain's registrar, registration and expiry dates, status codes, nameservers, and DNSSEC information using RDAP, the structured successor to WHOIS.
Which tool should I use first?: Start with the WHOIS & Domain Lookup tool. Enter any domain name to see its registration data, ownership timeline, and nameserver setup in seconds.
Can I use these tools on mobile?: Yes. The tools are responsive and work on desktop and mobile browsers. Longer lookup results are simply easier to inspect on larger screens.
Are these tools free?: Yes. All tools in this category are free to use with no signup requirement.

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Web Tools

Practical utilities for everyday web development and troubleshooting. Fast, free, and browser-based.

WHOIS & Domain Lookup

Look up domain registration data — registrar, dates, status, nameservers, and DNSSEC via RDAP.

Use Tool

What is Web Tools?

How to Use Web Tools

Key Features

About Web Tools

What This Category Covers

Frequently Asked Questions

Who are these web tools for?: They are built for developers, marketers, analysts, support teams, and technical writers who need fast domain diagnostics, such as checking a domain's registrar, age, expiry date, or nameservers.
What can I look up with the WHOIS tool?: You can look up a domain's registrar, registration and expiry dates, status codes, nameservers, and DNSSEC information using RDAP, the structured successor to WHOIS.
Which tool should I use first?: Start with the WHOIS & Domain Lookup tool. Enter any domain name to see its registration data, ownership timeline, and nameserver setup in seconds.
Can I use these tools on mobile?: Yes. The tools are responsive and work on desktop and mobile browsers. Longer lookup results are simply easier to inspect on larger screens.
Are these tools free?: Yes. All tools in this category are free to use with no signup requirement.

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Web Tools

WHOIS & Domain Lookup

What is Web Tools?

How to Use Web Tools

Key Features

About Web Tools

What This Category Covers

Frequently Asked Questions