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

Non-authoritative answer:
about.koch-essen.de	canonical name = koch-essen.de.
Name:	koch-essen.de
Address: 206.189.251.19