Network utility

Domain Availability Checker

Check domains against live RDAP and DNS over HTTPS with smart normalization, bulk candidate generation, TLD expansion, registration signals, DNS hints and export-ready results. Use it for naming sweeps, startup brand ideation or quick registration triage without leaving the browser.

RDAPDNSBulk checkTLD suggestionsCSV export

Base name or domains

Input mode

RDAP endpoint

Concurrency

TLD list

Joiners / separators

Prefixes

Suffixes

Normalize whitespace and punctuation into clean labels Include bare label + TLD combinations Expand with prefixes, suffixes and joiners Also query DNS over HTTPS for A / AAAA / MX / NS hints Show only likely available results after scan

Availability here is inferred from live RDAP responses plus optional DNS hints. A domain marked likely available still needs confirmation at your registrar before registration.

Scan statusReady

What this checks

RDAP domain recordTLD bootstrap supportDNS answersStatus codesEventsCSV / JSON export

Generate or check domain candidates to view results.