Privacy-first domain availability checker using DNS and RDAP
Users
10
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#197K
#165K among extensions
Version
1.0.0
updated 14 Feb 2026
Users
monthly, 8 months
Latest, 16 Oct 2026:10 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
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 Secure Domain Search
Check domain availability directly from your browser - no registrar APIs, no developer backend, no logging.
Why Secure Domain Search exists?
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Finding the perfect domain can be stressful, and every query risks your ideas being exposed to registrars or third parties.
Secure Domain Search helps you check domain availability without using registrar APIs, reducing the risk of domain frontrunning. All lookups are performed directly from your browser using public DNS-over-HTTPS (DoH) and registry RDAP servers.
How it works?
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DNS check (Cloudflare DoH) – If a DNS record exists, the domain is marked Unavailable.
Registry lookup (RDAP) – If no DNS is found, we query the domain’s registry directly.
Clear results – Domains are shown as Available, Registered, or Unknown.
Key features:
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Privacy-first – No developer backend, no logging, queries stay in your browser.
Direct lookups – Uses public DNS-over-HTTPS and registry RDAP only.
Quick and reliable – Real-time availability results.
Growth
Window
Users
Change
Ratings
Rating
7 days
+2
+25.0%
0
0.00
30 days
+1
+11.1%
0
0.00
6 months
+8
+400.0%
0
0.00
Chrome Web Store search rankings
Where Secure Domain Search appears when people search the store, with the 30 day change