---
name: "ldns-update"
section: "1"
platform: "linux"
package: "ldns"
version: "1.9.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/ldns-update"
---

# ldns-update(1)

send a dynamic update packet

## NAME

ldns-update - send a dynamic update packet

## SYNOPSIS

**ldns-update** *name* \[ *zone* \] \[ *ip* \] \[ *tsig\_name* *tsig\_alg* *tsig\_hmac* \]

## DESCRIPTION

**ldns-update** is used to send a dynamic update packet.

## OPTIONS

- **name**

  The domainname to associate with the given **ip** address.

- **zone**

  When given uses this **zone** instead of trying to find and process **domain**'s SOA record.

- **ip**

  Send the update to this IP address. Or, when the literal text **none** is given, remove any previous addresses.

- **tsig\_name tsig\_alg tsig\_hmac**

  Use TSIG (rfc2845) to authenticate.

## EXAMPLE

ldns-update my.example.org 1.2.3.4

## AUTHOR

Written by Jakob Schlyter and Håkan Olsson, as an addition to the ldns library from NLnet Labs.

## REPORTING BUGS

Report bugs to \<dns-team@nlnetlabs.nl\>.

## COPYRIGHT

Copyright (C) 2005 NLnet Labs. This is free software. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.