dmcheck review
A focused, open-source domain checker with detailed registry results and shareable visuals.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
dmcheck is a free, open-source web tool for individuals and teams researching domain names. Enter a keyword to check availability across multiple top-level domains, then review WHOIS and RDAP data as registries respond. No registration is required, making it suited to quick naming research, early project work and collaborative domain exploration.
The Free plan includes domain availability checks plus WHOIS and RDAP results. Its strongest feature is the combination of editable TLD selection and streaming responses: researchers can shape the search around the extensions they care about and see results arrive as registry data becomes available. Registered-domain panels add registrar, registration dates, DNS servers and status data. Optional screenshot and favicon previews provide additional context, while registrar links and reference price comparisons are available when enabled.
Sharing is a notable part of the workflow. dmcheck can generate a compact PNG result image with copy, download and share actions, which gives teams a simple way to circulate findings. The trade-off is a narrow platform and workflow focus: it is web-only and has no public API, so it is less suitable for automated pipelines or integrations into custom domain-research systems. Choose dmcheck for free, visual, open-source research with configurable TLD coverage; choose an alternative when programmatic access or larger operational workflows are central requirements.
dmcheck pros and cons
- Where it wins
- Search multiple TLDs with an editable custom TLD list
- Streams WHOIS and RDAP results as registries respond
- Creates compact PNG result images for sharing
- Where it doesn't
- Web-only access limits it to browser-based workflows
- No public API for programmatic domain searches
- Focused on keyword searches rather than broader bulk workflows
dmcheck fact sheet, pricing and score →
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