-A Adds a "._atps" suffix to records in the zone file.
-Ccontact
Uses contact as the contact information to be used when an SOA record is generated (see -S below).
If not specified, the userid of the executing user and the local hostname will be used; if the
executing user can't be determined, "hostmaster" will be used.
-Esecs
When generating an SOA record (see -S below), use secs as the default record expiration time. The
default is 604800.
-hhash
Specifies which SHA hash algorithm to use. Must be one of "none", "sha1" and "sha256", with
"sha256" being the default if it is available.
-Nnslist
Specifies a comma-separated list of nameservers, which will be output in NS records before the TXT
records. The first nameserver in this list will also be used in the SOA record (if -S is also
specified) as the authority hostname.
-ofile
Sends output to the named file rather than standard output.
-rsecs
When generating an SOA record (see -S below), use secs as the zone refresh time. The default is
10800.
-Rsecs
When generating an SOA record (see -S below), use secs as the zone retry time. The default is
1800.
-S Asks for an SOA record to be generated at the top of the output. The content of this output can
be controlled using the -E,-r,-R,-T options. The serial number will be generated based on the
current time of day.
-tttl Puts a TTL (time-to-live) value of ttl on all records output. The units are in seconds.
-Tsecs
When generating an SOA record (see -S below), use secs as the default record TTL time. The
default is 86400.
-udomain
Produce output suitable for use as input to nsupdate(8) to add ATPS records to the named domain.-v Increases the verbosity of debugging output written to standard error.