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Where can I find information on a registered domain name?

Information on domain names registered in NASK may be found in the WHOIS database.

The WHOIS database is available:

  • at https://www.dns.pl/en/whois
  • on the server of WHOIS service available at whois.dns.pl (port 43) using standard tools, e.g. whois, jwhois.
Where do the data, published in the WHOIS database, come from?

The data come from the NASK database.

Does the WHOIS database contain information on names registered in domains other than .pl?

No. Information available in our WHOIS pertains only to names registered in .pl and .gov.pl. domains.

What is the meaning of notifications in the WHOIS database?
  • No information on domain name in the Registry NASK database - domain name does not exist in the Registry NASK database.

  • Domain name is awaiting registration - domain name filed for registration as a result of realisation of option or a legally valid verdict of a court; it may remain in that state for 14 days.

  • Domain name's billing period has finished - paid billing period has ended; domain name may remain in that state for 30 days.

  • Domain name is to be released after termination - Agreement on Domain Name Maintenance has been terminated; domain name may remain in that state for 5 days.

  • Domain name is undergoing proceeding - domain name maintenance has been suspended until all doubts about the cooperation with a registrant are dispelled.

What should I do if registrant’s data in the WHOIS database are not up-to-date?

To update registrant’s data, please contact a registrar of a domain name.

Is WHOIS querying limited?

Yes. The WHOIS database is protected against systematic querying in order to obtain address data which, in turn, may leave room for abuse. The number of responses for queries is limited per IP address and time period. NASK’s administrators may block manually any IP address if any suspicious action has been observed.

What are the limits of WHOIS querying?

The number of queries, sent to the WHOIS database for a single IP address, amounts on average to 100 per day though www and 100 per day through port 43. When the limit has been exceeded, the requests are not responded and it is necessary to wait until the counter is reset which, in turn, occurs every 15 minutes.

I have not queried WHOIS database 100 times, and still receive notifications on exceeding the limit. Why?

The problem may arise in the following situations:

  • a proxy server is set in your browser, thus your queries of the WHOIS database look as if they were coming from a proxy server, not you. Limit of queries is divided among all the users of a particular proxy server. To avoid that problem, please turn off a proxy server option in your browser. In case of a transparent proxy, ask your administrator for advice.
  • your company applies NAT (Network Address Translation). This service enables, among others, concealing many computers under one IP address. In that case, please contact your administrator to solve the problem.
Is the number of queries, sent to a search engine, limited?

Yes. The limit is constrained to 60 queries per hour. When the limit has been exceeded, the requests are not responded and it is necessary to wait until the counter is reset which, in turn, occurs every minute.

Are there any other restrictions of access to the WHOIS database and a search engine?

Yes, there are response delays in case the database is queried too intensively. If consecutive queries are not separated with time gaps of minimum 10 seconds, a respond will be provided with a delay determined by the system.

Why are the data of domain name registrants published in the WHOIS database?

Data are published in order to respect the rights of Internet users, owners of trademarks, copyrights and other legally protected interests. In accordance with the provisions of the data protection law, the data of registrants, who are natural persons, are not published.

Can I obtain the data of a .pl domain registrant which are restricted in the WHOIS database?

Yes. In particular cases NASK may disclose such data if you provide an appropriate legal basis. The request for personal data disclosure (PDF).