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Preview of WHOIS RDAP Lookup

WHOIS RDAP Lookup by Dmytro Kartashov

Lookup domain ownership and registration details instantly with Whois RDAP. Fast, privacy-friendly domain and IP information tool integrated into Thunderbird, supporting multiple languages.

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Screenshots
Opening a message reveals the app's button.Screenshot of what happens when you click the button: a website with info!in the add-on listAdd-on settings
About this extension
Whois RDAP provides instant domain and IP ownership lookups directly inside Thunderbird. It supports multiple languages, respects user privacy, and requires no telemetry. Ideal for administrators, researchers, and security experts. Easily check registrar data, DNS information, and domain status from messages or web pages. Lightweight and efficient, this addon integrates smoothly with your workflow to deliver accurate WHOIS and RDAP data.
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Permissions and dataLearn more

Required permissions:

  • Access browser tabs
  • Access your data for publicsuffix.org
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Add-on Links
Version
1.0.3
Size
38.66 kB
Last updated
15 days ago (5 Sep 2025)
Version History
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Release notes for 1.0.3
Support Thunderbird 140.2.1esr +
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