shell:$ nslookup -timeout=2 -retry=1 'library.alditalk-kundenbetreuung.de'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
library.alditalk-kundenbetreuung.de	canonical name = library.telefonica.de.cdn.cloudflare.net.
Name:	library.telefonica.de.cdn.cloudflare.net
Address: 141.101.90.96
Name:	library.telefonica.de.cdn.cloudflare.net
Address: 141.101.90.99
Name:	library.telefonica.de.cdn.cloudflare.net
Address: 141.101.90.98
Name:	library.telefonica.de.cdn.cloudflare.net
Address: 141.101.90.97