shell:$ nslookup -timeout=2 -retry=1 'www.arvancloud.ir'
;; communications error to 1.1.1.1#53: timed out
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
Name:	www.arvancloud.ir
Address: 185.143.233.200
Name:	www.arvancloud.ir
Address: 185.143.235.200
Name:	www.arvancloud.ir
Address: 185.143.234.200
Name:	www.arvancloud.ir
Address: 185.143.232.200
;; communications error to 1.1.1.1#53: timed out