Domain Checker
A Windows desktop tool for bulk domain availability checks, with proxy support, result grouping, and clean text exports.
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What is Domain Checker?
Domain Checker is a Windows desktop application for checking domain availability in bulk. Users can paste or import domains, URLs, or host:port values, tune checking settings, use proxies if needed, and receive grouped result files.
Key features
- Bulk domain checks from pasted input or .txt import.
- Domain, URL, and host:port normalization before lookup.
- Status checks across multiple domain data sources.
- Result groups for Available, Registered, and Unknown.
- Registration and expiration dates when data sources provide them.
- Configurable threads, timeout, retries, delay, and duplicate skipping.
- Proxy support for ip:port, ip:port:user:pass, and socks5://ip:port.
- Automatic result files: Available.txt, Registered.txt, Unknown.txt, and All.txt.
Best for
- MMO, SEO, and domain research users filtering large domain lists.
- Agencies checking name ideas for clients.
- Tool sellers or admins who need a license-gated desktop workflow.
- Developers or operators who want .txt output for downstream processing.
Honest fit
The tool should not be positioned as guaranteeing a result for every domain. The current product includes an Unknown group for cases where data sources fail, timeout, rate limit, or lack enough information. The clearly supported platform is Windows desktop.
How It Works
- Paste domains or import a .txt file, one item per line.
- Add proxies if needed. Supported formats include ip:port, ip:port:user:pass, and socks5://ip:port.
- Open Settings to choose threads, timeout, retries, delay, language, and proxy rotation.
- Enable Skip duplicates if repeated domains should be ignored.
- Click Start to run the check.
- Review results in the All, Available, Registered, and Unknown tabs.
- Open the auto-saved file from the Data folder or export a new copy.
- Release version v1.0.0
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What does Domain Checker do?
Domain Checker checks domain status in bulk and groups results into available, registered, or unknown.
Who should use Domain Checker?
MMO, SEO, domain research users, agencies, sellers, and developers who process domain lists regularly.
Do I need technical skills?
No. Just paste or import your domain list, adjust basic settings, and click Start.
Which platforms are supported?
Windows desktop with WebView2 runtime. macOS and Linux should not be advertised without separate builds.
Where are results saved?
Results auto-save under Data/
Does it support proxies?
Yes. Supports ip:port, ip:port:user:pass, and socks5://ip:port with random, sequential, or none rotation.
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