dnssec-importkey: invalid argument -- Usage: dnssec-importkey options [-K dir] keyfile dnssec-importkey options -f file [keyname] Version: 9.10.3-P4-Ubuntu Options: -f file: read key from zone file -K <directory>: directory in which to store the key files -L ttl: set default key TTL -v <verbose level> -V: print version information -h: print usage and exit Timing options: -P date/[+-]offset/none: set/unset key publication date -D date/[+-]offset/none: set/unset key deletion date

dnssec-importkey: invalid argument -- Usage: dnssec-importkey options [-K dir] keyfile dnssec-importkey options -f file [keyname] Version: 9.10.3-P4-Ubuntu Options: -f file: read key from zone file -K <directory>: directory in which to store the key files -L ttl: set default key TTL -v <verbose level> -V: print version information -h: print usage and exit Timing options: -P date/[+-]offset/none: set/unset key publication date -D date/[+-]offset/none: set/unset key deletion date