- choices=["SAMBA", "BIND9_FLATFILE", "BIND9_DLZ"],
- help="The DNS server backend. SAMBA is the builtin name server (experimental), BIND9_FLATFILE uses bind9 text database to store zone information (default), BIND9_DLZ uses samba4 AD to store zone information (recommended)")
+ choices=["SAMBA_INTERNAL", "BIND9_FLATFILE", "BIND9_DLZ", "NONE"],
+ help="The DNS server backend. SAMBA_INTERNAL is the builtin name server, " \
+ "BIND9_FLATFILE uses bind9 text database to store zone information (default), " \
+ "BIND9_DLZ uses samba4 AD to store zone information, " \
+ "NONE skips the DNS setup entirely (not recommended)")