shell:$ nslookup -timeout=2 -retry=1 'www.enssmal.dz'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
www.enssmal.dz canonical name = www.enssmal.edu.dz.
www.enssmal.edu.dz canonical name = enssmal.edu.dz.
Name: enssmal.edu.dz
Address: 102.207.216.121
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