shell:$ nslookup -timeout=2 -retry=1 '44.vb4444.com' Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: 44.vb4444.com canonical name = vb4444.com. Name: vb4444.com Address: 45.155.90.135 Name: vb4444.com Address: 2a10:9740::90