OS Manuals

/usr/bin/ddns-confgen

The ISC DNS tools

From bind-tools 9.20.30-r1 (os), captured 2026-11-05 by running ddns-confgen --help (exit 1). permalink

ddns-confgen: invalid argument --
Usage:
 ddns-confgen [-a alg] [-k keyname] [-q] [-s name | -z zone]
  -a alg:        algorithm (default hmac-sha256)
  -k keyname:    name of the key as it will be used in named.conf
  -s name:       domain name to be updated using the created key
  -z zone:       name of the zone as it will be used in named.conf
  -q:            quiet mode: print the key, with no explanatory text
Options (6)
OptionDescriptionSource
-a alg:This option specifies the algorithm to use for the TSIG key.help + man
-k keyname:This option specifies the key name of the DDNS authentication key.help + man
-s name:This option generates a configuration example to allow dynamic updates of a single hostname.help + man
-z zone:This option generates a configuration example to allow dynamic updates of a zone.help + man
-qThis option enables quiet mode, which prints only the key, with no explanatory text or usage examples.help + man
-hThis option prints a short summary of options and arguments. (in the manual page but not in --help)man

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.