### Hetzner Online GmbH installimage
127.0.0.1 localhost.localdomain localhost
65.21.231.104 oxygen.server-sky-dns.com oxygen
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
2a01:4f9:6a:1e14::2 oxygen.server-sky-dns.com oxygen
127.0.0.1 oxygen.server-sky-dns.com
127.0.0.1 autoreply.oxygen.server-sky-dns.com