OS Manuals

/usr/bin/nsd-checkzone

The NLnet Labs Name Server Daemon (NSD) is an authoritative, RFC compliant DNS nameserver.

From nsd 4.15.4-r0 (os), captured 2026-11-05 by running nsd-checkzone --help (exit 1). permalink

/usr/bin/nsd-checkzone: invalid option -- '-'
Usage: nsd-checkzone [-p] <zone name> <zone file>
	-p	print the zone if the zone is ok
	-i <old zone file>	create an IXFR from the differences between the
		old zone file and the new zone file. Writes to
		<zonefile>.ixfr and renames other <zonefile>.ixfr files to
		<zonefile>.ixfr.num+1.
	-n <ixfr number>	number of IXFR versions to store, at most.
		default 5.
	-s <ixfr size>	size of IXFR to store, at most. default 1048576.
Version 4.15.4. Report bugs to <https://github.com/NLnetLabs/nsd/issues or nsd-bugs@nlnetlabs.nl>.
Options (5)
OptionDescriptionSource
-pPrint the zone contents to stdout if the zone is ok.help + man
-i oldcreate an IXFR from the differences between the old zone file and the new zone file.help + man
-n ixfrThe number of IXFR versions to store, at most.help + man
-s ixfrThe number of bytes of storage to use for IXFRs.help + man
-hPrint usage help information and exit. (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.