Update a nameserver entry at inwx with the current WAN IP (DynDNS)
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nsupdate.d Add LOG to config, clean up some documentation. Aug 8, 2016
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README.md Add LOG to config, clean up some documentation. Aug 8, 2016
nsupdate.sh Fixed a bug with logging. Oct 12, 2018

README.md

Nameserver update for INWX (nsupdate)

This shell script implements dynamic DNS using the inwx API, i.e., it updates nameserver entries with your current WAN IPv4 and IPv6 addresses.

Requirements

In order to run you need to have curl and awk installed, as well as drill or nslookup.

Installation

Simply download the master.zip and extract it, e.g., using wget and 7z x master.zip.

Place your config files in the nsupdate.d folder. A sample.config.dist is provided. At least one config file needs to exist, ending with `.config.

Changelog

2015-07-22

  • Changed the way how the existence of config files is checked
  • Updated the sample config file to reflect new options from the last updates
  • The script is reported to work in csh and sh too

2015-06-30

  • Fixed the check for config files. Can now handle more than one file
  • Changed warning for missing config files

2015-01-12

  • Added checks for needed commands
  • Added checks for existing config file
  • Added requirements to README.md

2014-02-21

  • Added support for IPv6
  • Added support for config files

2014-01-02

  • Changed default IP check site to ip.dblx.io
  • Added a switch to use drill instead of nslookup because FreeBSD 10 switched from bind to unbound
  • Renamed $HOSTNAME to $DOMAIN to work around potential conflicts with $HOSTNAME that's set by the host itself

2014-01-06

  • Config files are sourced relative to the script folder now

2013-07-12

  • First commit

License

nsupdate is distributed under the MIT license, which is similar in effect to the BSD license.

Copyright 2013 Christian Busch (http://github.com/chrisb86)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.