Is this classic WHOIS on port 43?

No. We use RDAP instead of port 43 because HTTPS returns structured JSON and works reliably from the server. For a domain, the TLD’s RDAP server comes from the IANA list, which is cached in memory for 24 hours. If that server is missing, rdap.org is the fallback. An IP query goes straight to rdap.org. The summary on screen is a selection of fields from that JSON.

Why is the registrant name missing?

We omit personal data on purpose. The registrant name, phone and postal address are removed from both the summary and the raw RDAP output. Redacted rows are dropped as well. What you can see is the registrar, status codes, created and expiry dates, name servers and the DNSSEC flag. An IP query keeps the network range, country, organization name and an abuse email when one is published.

What are the expiry date and days left for?

We count the days from today until the expiration date in the RDAP record. If that date is close, the domain used for a site or a proxy verification hostname can lapse. The clock belongs to the registry and can lag a few hours after a renewal. A negative number can mean the term has already ended. This is not a renewal service. It only reads the published date.

How do I check who owns an exit IP?

Type the IP on this page. Range, network name, country and organization come from RDAP. Open IP Lookup with the same IP to compare location and ISP, which is a different source and only a location estimate. Private and local addresses are rejected. If there is no record, the API returns whois_not_found. We do not invent a guess.

Why is the raw RDAP short?

The raw view is trimmed after personal vCard fields are removed. The goal is to avoid leaking the registrant’s contact details inside the JSON as well. Public parts such as the registrar and status remain. Very large replies are cut at a fixed limit. This is not a legal WHOIS dump or a court exhibit. For the full registry view, use the operator’s own site.

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Tools

Read a Domain or IP Record with RDAP

We use RDAP instead of port 43. Registrar, dates and name servers are summarized. The registrant name, phone and address are not shown.

Read which network an exit IP belongs to, or when a domain expires, from the RDAP record. The result does not include personal data. Redacted fields are dropped.

RDAP

Source

6 sec

Timeout

24 h

Cache

Why this tool?

Why WHOIS Lookup?

WHOIS finds the RDAP server for a domain from the IANA bootstrap list, and uses rdap.org for an IP. The card shows registrar, created, expiry, days left and name servers.

01Detects a domain or an IP automatically
02Summarizes registrar, dates and name servers
03Does not show registrant name, phone or address
04Links an IP result to IP Lookup with the same address

How it works

Step-by-step process

Enter a Query

Type a domain or a public IPv4 or IPv6 address. Private addresses are rejected.

Read the Summary

Registrar, dates, days left, name servers and status appear on the card.

Open the Raw Record

The raw RDAP section is trimmed JSON. Personal vCard fields are removed.

Tips

The IP Lookup link on an IP result opens that same address.
If days left are low, put the domain renewal on your calendar.
Do not look for a person’s name in the raw record. Those fields are removed.

FAQ

Frequently asked questions

Short, clear answers to the most common questions about this tool.

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