Query.Domains
Free bulk domain availability check tool, based on WHOIS queries to provide instant results. Supports bulk WHOIS query API.
Overview
Query.Domains is a bulk domain availability checker designed for founders, marketers, and domain investors who need quick feedback across many domain extensions. It combines WHOIS and DNS lookup signals to help users evaluate whether a domain name may still be available.
The tool is useful when comparing naming ideas, validating brand concepts, or preparing domain options for campaigns and product launches. Instead of checking domains one by one, users can review multiple combinations in a more efficient workflow.
Query.Domains also highlights automation use cases through API access, making it a practical option for teams building internal domain research tools, lead generation workflows, or naming validation features into their own products.
Features
Bulk domain checking
Check multiple name and TLD combinations in one workflow instead of manual one-by-one lookups.
WHOIS and DNS signals
Uses common domain lookup signals to estimate whether a domain may still be available.
Broad extension coverage
Helpful for comparing brand options across multiple domain extensions during research.
Useful for branding work
Supports startup naming, campaign launches, portfolio review, and client proposal preparation.
API-friendly workflow
Suitable for teams that want to integrate domain availability checks into internal tools or automated systems.
FAQ
What is Query.Domains mainly used for?
It is mainly used to check whether domain names or domain-extension combinations may still be available for registration.
Who is this tool suitable for?
It is suitable for founders, marketers, developers, and domain investors who need fast naming validation.
Does it support bulk checking?
Yes. The core value of the tool is checking multiple domain ideas more efficiently than manual single-domain lookups.
Can teams integrate it into other systems?
Yes. The product mentions API access, which makes it useful for automation and internal tooling.
Why is it useful for branding work?
It helps compare multiple naming options quickly and identify promising domain combinations earlier in the process.
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