whois http://www.liceum-lipusz.pl/claroline/courses/SLOT_001/document/slotdemopragmatic.html

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http://www.liceum-lipusz.pl/claroline/courses/SLOT_001/document/slotdemopragmatic.html
checking....http://www.liceum-lipusz.pl/claroline/courses/SLOT_001/document/slotdemopragmatic.html
   $ whois http://www.liceum-lipusz.pl/claroline/courses/SLOT_001/document/slotdemopragmatic.html
No whois server is known for this kind of object.