Domain WHOIS Lookup icon

Domain WHOIS Lookup

by t.mizuno27

v1.0.0 Updated Mar 20, 2026 19.79KiB
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Description

Domain WHOIS Lookup gives you instant access to WHOIS registration data, DNS records, and SSL certificate information for any website you visit. FEATURES: One-Click WHOIS Lookup - Automatically detects the domain of the current tab - View registrar, creation date, expiration date, nameservers, and more - No need to visit external WHOIS websites DNS Records - View A, AAAA, MX, NS, TXT, CNAME, and SOA records - Organized in a clean, tabbed interface - Essential for troubleshooting DNS issues SSL Certificate Info - Check SSL certificate validity and expiration - View issuer, subject, and certificate chain details - Quickly verify if a site's SSL is properly configured Lookup History - Keeps a local history of your recent lookups - Quickly revisit previous domain lookups - History stored locally in your browser only Copy All Info - One-click copy of all WHOIS, DNS, and SSL data - Paste into reports, tickets, or documentation instantly PRIVACY: - Only sends the domain name to lookup APIs to retrieve WHOIS/DNS/SSL data - No personal information is collected, stored, or shared - No tracking or analytics - Lookup history is stored locally on your device only PERFECT FOR: - Web developers checking domain and DNS configuration - SEO professionals researching competitor domains - Security analysts verifying SSL certificates - Domain investors checking registration details - IT administrators troubleshooting DNS issues Fast, lightweight, and privacy-friendly. All the domain intelligence you need in one click.
Domain WHOIS Lookup screenshot 1

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Permissions (2)

Permissions

activeTab Can access the current tab when you click the extension storage Can store data locally in your browser

Details

Version 1.0.0
Updated Mar 20, 2026
Size 19.79KiB
First Seen Mar 27, 2026