shell:$ nslookup -timeout=2 -retry=1 'firma.de'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	firma.de
Address: 108.138.64.129
Name:	firma.de
Address: 108.138.64.50
Name:	firma.de
Address: 108.138.64.15
Name:	firma.de
Address: 108.138.64.102