shell:$ nslookup -timeout=2 -retry=1 'www.at.dz'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.at.dz	canonical name = www.algerietelecom.dz.
Name:	www.algerietelecom.dz
Address: 197.112.57.26