Free domain tools.
No login needed.
A growing set of free tools for domain investors, founders, and anyone with a portfolio. Run them once, then keep everything in sync with Lemon Domains.
No credit card. Free for personal portfolios.
Research
Bulk domain search
Check the availability of up to 100 domain names across any extensions at once, as you type, with names about to drop and who owns the taken ones.
Domain report
Everything about any domain in one report: registrar, expiry, locks, DNS, website, SSL, email, history and transfer readiness.
Domain transfer checker
See if a domain can move to another registrar today, what's in the way, and the exact steps for its registrar.
Domain name generator
Turn a keyword into available name ideas across dozens of TLDs, with live availability.
Domain age checker
Look up when a domain was first registered, last updated, and when it expires.
Portfolio
Domain renewal cost calculator
Add your domains and see total annual renewal cost, broken down by TLD, with a multi-year projection.
Portfolio value estimator
Get a rough aggregate value for your whole portfolio at once, not one domain at a time.
Drop-or-renew decision tool
Answer a few questions per domain and get a clear keep, review, or drop recommendation.
Diagnostics
WHOIS lookup
See a domain's registrar, registration and expiry dates, status, and nameservers, live from RDAP.
DNS lookup
Check A, AAAA, CNAME, MX, TXT, NS, SOA, and CAA records for any domain in real time.
SSL certificate checker
Check a domain's TLS certificate: issuer, validity, days to expiry, covered hostnames, and trust.
Email deliverability checker
Verify MX, SPF, DKIM, and DMARC records and get an email setup score for any domain.
TLD price directory
Registration, renewal, and transfer pricing for every major extension, with the renewal trap called out.
Tools are nice. A living portfolio is better.
Run a tool, then import the results into Lemon Domains and keep them fresh automatically.