Free Domain Tools
Everything you need to inspect a domain in one place: availability, WHOIS, DNS, SSL, age, expiry and more. Each one runs in your browser and reads its answer live; none of them ask you to sign up.
Every tool, one place
Pick a tool to get started. They all work the same way: type a domain, get an answer.
ALERTS
Domain Watch
Get notified when a domain becomes available to register.
EXPIRY
Domain Expiry Checker
Check domain expiration dates and lifecycle status.
AVAILABILITY
Domain Availability
Find out if a domain is available for registration.
WHOIS
Whois Lookup
Check ownership and registry data for any domain.
DNS
DNS Lookup
Inspect DNS records including A, MX, TXT, and CNAME.
SSL
SSL Certificate Checker
Verify SSL certificate validity and security status.
AGE
Domain Age Checker
Calculate the exact age and registration date of a domain.
ROI
Domain ROI Calculator
Model a flip or price a domain for your business, net profit, ROI, payback.
SITEMAP
Sitemap Link Extractor
Pull every URL out of a sitemap, grouped by route, and copy the list in one click.
GENERATOR
Domain Name Generator
Turn a keyword into brandable domain ideas, each scored and availability-checked.
MARKETPLACE
Domain Marketplace Search
Search live domain auctions and closeouts across GoDaddy, Dynadot and SnapNames.
BRAND PROTECTION
Typosquat Checker
See the typo and look-alike variants of your domain, and which are already registered.
DNS
DNS Propagation Checker
Query a domain across multiple public resolvers and see whether a DNS change has propagated.
PUNYCODE
Punycode Converter
Convert domains between Unicode (IDN) and Punycode (xn--) form, both directions.
EMAIL
Email Deliverability Checker
Check a domain's MX records and its SPF, DKIM and DMARC posture in one read.
BULK
Bulk Domain Checker
Paste a list of domains and get availability and expiry for all of them in one pass.
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Start Monitoring & Catching Domains Today
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