shell:$ nslookup -timeout=2 -retry=1 'grameenphone.appsclub.com.bd' Server: 1.1.1.1 Address: 1.1.1.1#53 Non-authoritative answer: Name: grameenphone.appsclub.com.bd Address: 54.152.170.214 Name: grameenphone.appsclub.com.bd Address: 54.85.30.84