Developer Tool Domain Tool

Bulk Domain Availability Checker

Paste a domain list from ChatGPT or any generator and check which names appear available or registered.

Up to 20 domains Availability filters CSV export

One per line, or separated by spaces and commas. The first 20 unique domains will be checked.

Results are indicative. Always confirm a name and final price with an accredited registrar.

How to Use

Enter a root domain without a path. Review registration and DNS results, then verify availability with an accredited registrar before purchasing.

RDAP, Not Legacy Scraping

Registration tools discover the authoritative service through IANA’s RDAP bootstrap registry and use structured registration data.

Privacy & Accuracy

No lookup is saved to the database. Registration data may be redacted, cached, delayed, or unavailable for some country-code extensions.

Domain Lookup FAQs

Does “potentially available” guarantee I can register it? +

No. A registry may reserve, block, price as premium, or temporarily withhold a name. Confirm through a registrar.

Why is owner information missing? +

Privacy laws and registry policies often redact personal registration data from public RDAP responses.

What is RDAP? +

RDAP is the structured HTTP-based replacement for legacy WHOIS registration lookups.

Are my searches stored? +

No domain lookup database is used by these tools.

Developer newsletter

Stay Ahead

Get practical developer guides, new tools, and workflow improvements without inbox noise.