Free Domain Tools
A growing set of free, no-signup tools for domains and DNS — built to research expired domains before you buy them. Everything runs in your browser.
Domain tools
Domain
WHOIS Lookup
Look up a domain’s owner, registrar, key dates and status.
DomainDomain Age Checker
See how old a domain is from its registration date.
Domain
Domain Availability Checker
Check whether a domain is registered or available.
Coming soonDNS tools
DNS
DNS Lookup
Query A, AAAA, MX, TXT, NS and CNAME records for any domain.
DNSReverse IP Lookup
Find the hostname behind an IP address (PTR record).
DNS
MX Lookup
Inspect the mail servers configured for a domain.
Coming soon DNS
DNS Propagation Checker
Check DNS propagation across multiple resolvers.
Coming soonSEO tools
SEO
Domain Authority Checker
Check the authority of a domain before you buy it.
Coming soon