$TTL 300
@                IN A     10.0.0.15
düsseldorf      IN A     10.0.0.19
www.düsseldorf  IN A     10.0.0.20
subdomain        IN A     10.0.0.17
www.subdomain    IN A     10.0.0.18
www              IN A     10.0.0.16
ü               IN A     10.0.0.21
www.ü           IN A     10.0.0.22