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In the initial stages of the Internet (ARPANET) addressing of hosts on the network was achieved by static translation tables that mapped hostnames to IP addresses.
The tables were maintained manually in form of the host file.
This article will cover how to setup dns with dynamic updates aswell as configuring your dhcp server to push updates to it aswell. If there's anything this article doesn't cover with respect to what you are looking for, leave a comment and I'll do what I can.
I assume you already know how to setup plain old dns aswell as plain old dhcp. Dynamic DNS is the means by which to push new records into your dns server while it is running, without having to edit any zone files.
This protocol-based DNS update method was documented and standardized in IETF publication RFC 2136 in 1997 and has become a standard part of the DNS protocol (see also nsupdate program).
The explosive growth and proliferation of the Internet into homes brought a growing shortage of available IP addresses.
The Domain Name System brought a method of distributing the same address information automatically online through recursive queries to remote databases configured for each network, or domain.
That tool is called is a tool to create dnssec keys, much like ssh-keygen creates ssh keys. nsupdate takes commands like nslookup does, if run without arguments: Worst case, run named with a high debug level.
I'm currently running a ubuntu server and with Bind DNS and ISC DHCP server.
I'm trying to configure yhem so that the DHCP automatically updates the bind dns records.
I've looked at the log and all my client recieve the proper ip configuration from the dhcp server however,it seems that it's unable to "pass the information" to bind dns.
This is the kind of error that I have in the syslog: Jul 9 FS02 dhcpd: Unable to add forward map from Steph-A-Soucy.webtelecom.local.