Who Is Domain Checker
Check who owns a domain and when it expires
Who Is Domain Checker looks up a domain's WHOIS record and shows its registrar, dates, name servers and contacts. Save domains to watch and get reminders before they expire. All features are free.
What it does
WHOIS lookup
Look up any domain to see its registrar, dates, name servers and contacts.
Saved and owned domains
Keep a watch list and a separate list of domains you own.
Expiry reminders
Get local reminders at the intervals you choose before a domain expires.
Export results
Save a WHOIS result as PDF or text and share it.
Quick actions and languages
Use Home Screen quick actions, light or dark mode and in-app language choice.
Screenshots
Privacy at a glance
Stored on this device, not on our servers.
No account needed.
a WHOIS lookup service (yazilimbilgini.com)
No ads, no analytics, no tracking across apps, and we never sell your data.
Read the full Who Is Domain Checker privacy policy →
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