shell:$ nslookup -timeout=2 -retry=1 'www.univ-tiaret.dz'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.univ-tiaret.dz	canonical name = m00.univ-tiaret.dz.
Name:	m00.univ-tiaret.dz
Address: 41.111.183.75
;; communications error to 127.0.0.53#53: timed out
;; no servers could be reached