Domain Tools
Search, inspect, analyze, and generate domains using RDAP and DNS.
Domain Availability Search
Check registration status through authoritative RDAP.
Open tool →Bulk Domain Availability Checker
Check pasted domain lists and export availability results.
Open tool →WHOIS / RDAP Lookup
Inspect registrar, status, dates, and nameservers.
Open tool →DNS Lookup
Inspect web, mail, TXT, CAA, and SOA records.
Open tool →Domain Age Checker
Estimate registration age and lifecycle dates.
Open tool →Nameserver Checker
Verify NS delegation and resolved IP addresses.
Open tool →Domain Name Generator
Generate brandable domain ideas in bulk.
Open tool →SPF Record Checker
Explain sender authorization policies and warnings.
Open tool →DMARC Record Checker
Review email enforcement and reporting policy.
Open tool →DKIM Record Checker
Validate a selector and published email signing key.
Open tool →Email DNS Health Checker
Check MX, SPF, DMARC, and enforcement together.
Open tool →CAA Certificate Policy Checker
Inspect permitted TLS certificate authorities.
Open tool →Domain Typo & Brand Protection Generator
Generate common typo variants for defensive review.
Open tool →About Domain Tools
Search, inspect, analyze, and generate domains using RDAP and DNS. Each tool follows SmartToolsNest’s responsive interface and clearly explains whether processing happens locally in your browser.