Registration, DNS and expiry in one lookup
Look up any domain - see its expiry date, registrar, nameservers, and IP infrastructure in seconds. Supports 500+ TLDs.
One lookup. Full picture.
PTRmap gives you the full picture of any domain in one place. Enter a domain name to instantly track its WHOIS record, expiry date, registrar, nameservers, and resolving IP addresses without bouncing between multiple tools.
Expiry tracking
See exactly when any domain expires so you can act before it's gone.
WHOIS lookup
Registrar, registration date, status flags, and contact info in one view.
Nameserver lookup
See which DNS servers a domain delegates to and spot misconfigurations.
IP infrastructure
Resolve domains to IPs and trace the hosting and network behind them.
Common questions
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How do I check when a domain expires?
Enter the domain name in the search box — no www, no http. PTRmap queries the WHOIS record in real time and returns the expiry date alongside registrar info and DNS data.
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Which TLDs does PTRmap support?
PTRmap supports 500+ TLDs including .com, .net, .org, .io, .co, .nl, .de, .uk and hundreds of other country-code and generic TLDs.
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What information does a WHOIS lookup show?
A WHOIS record includes the domain's registrar, registration and expiry dates, nameservers, and — where not privacy-protected — registrant contact details. PTRmap also adds the domain's current IP address and hosting infrastructure.
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What happens when a domain expires?
After expiry, most registrars offer a grace period (typically 30 days) during which the owner can renew. After that comes a redemption period, then the domain is released for anyone to register. PTRmap shows exactly where a domain stands in that process.
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Is PTRmap free to use?
Yes — domain lookups are free with no account required. Just enter a domain and get results instantly.