Domain WHOIS Lookup icon

Domain WHOIS Lookup

by t.mizuno27 · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

WHOIS lookup, DNS records, SSL certificate info, domain registration details. Free, instant, no account needed.

Users
22
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#146K
#122K among extensions
Version
1.0.3
updated 14 May 2026

Users

monthly, 7 months
01122Mar 2026Jul 2026Oct 2026
Latest, 16 Oct 2026: 22 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months
001Mar 2026Jul 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Domain WHOIS Lookup

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.

Growth

WindowUsersChangeRatingsRating
7 days−3−12.0%00.00
30 days+2+10.0%00.00
6 months+20+1000.0%00.00

Version history

2 versions recorded
1.0.314 May 2026
1.0.020 Mar 2026

Details

Category
Developer Tools
First seen
20 Mar 2026
Size
699 KB
Languages
en
Pricing
Free
Privacy policy
homepage-three-ochre.vercel.app
Extension ID
ijopphdjooojkhcfmchplgpkekeoeadh

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
activeTabstorage
Site access
https://whois-domain-lookup.t-mizuno27.workers.dev/*https://api.api-ninjas.com/*https://dns.google/*https://crt.sh/*

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