RUTX08 Dynamic DNS: Difference between revisions

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Main Page > RUTX Routers > RUTX08 > RUTX08 Manual > RUTX08 WebUI > RUTX08 Services section > RUTX08 Dynamic DNS

The information in this page is updated in accordance with firmware version RUTX_R_00.07.10.


Summary

Dynamic DNS (DDNS or DynDNS) is a method of automatically updating a name server in the Domain Name System (DNS). This is most often utilized when the end user has a dynamic IP address and wants to bind it to a static hostname.

The device is compatible with many different third party DNS services that provide the possibility to create a custom hostname and bind it to an IP address. The DDNS service periodically updates the IP address information of the hostname, making sure that the device remains reachable via the same hostname even in cases when its IP address has changed.

This chapter is an overview of the Dynamic DNS section for RUTX08 devices.


Dynamic DNS Overview

By default, an unconfigured DDNS instance will be present in the Dynamic DNS Overview page (the figure below is an example of this). You can create more DDNS instances by entering a name and clicking the "Add" button or you can edit the existing instance since it is not operational by default.

Editing a DDNS instance

To configure a DDNS instance, click the "Edit" button located next to it.

The figure below is an example of the edit page of the default DDNS instance called "MyDDNS" (already present in the device by default) and the table below provides information on the configuration fields contained in that page:

Field Value Description
Enabled off | on; Default: off Turns the DDNS instance on or off.
Lookup hostname host; Default: yourhost.example.com Fully qualified domain name (FQDN) of your defined host. This is required to verify what the hostname's current IP address at DNS is (using nslookup/host command).
DDNS service provider third party DNS service (chosen from list*) | -- custom --; Default: dyn.com Third party DNS service provider.
Domain host; Default: yourhost.example.com Hostname that will be linked with the device IP address.
Username string; Default: your_username User name required to login to the third party DNS service; used to periodically login to your DNS service account and make necessary updates.
Password string; Default: your_password Password required to login to the third party DNS service; used to periodically login to your DNS service account and make necessary updates.
IP address source Custom | Public | Private | Script; Default: Custom Defines the source to read the system's IPv4-Address from, that will be sent to the DNS provider. For example, if your device has a Private IP (i.e., 10.140.56.57) on its WAN interface, then you can send this exact IP to DDNS server by selecting Private.
Network network interface; Default: wan Specifies which interface's IP address should be bound to the hostname
Check Interval integer [5..3600]; Default: 10
integer [300..3600]*
integer [1..3600]**
Frequency at which the device will check whether it's IP address has changed.
The minimal amount of time that can be specified is 5 minutes or 300 seconds.
*If selected interval is Seconds.
**If selected interval is Hours.
Force Interval integer [5..3600]; Default: 10
integer [1..3600]*
Frequency at which IP update requests are sent to the DNS provider.
The minimal amount of time that can be specified is 5 minutes and not less than Check Interval.
*If selected interval is Hours or Days.


* Supported DNS services
3322.org able.or.kr afraid.org-basicauth afraid.org-keyauth afraid.org-v2-basic afraid.org-v2-token all-inkl.com bind-nsupdate
binero.se changeip.com cloudflare.com-v4 core-networks.de ddns.com.br ddnss.de ddo.jp desec.io
dhis.org dnsdynamic.org dnsever.com dnsexit.com dnshome.de dnsmadeeasy.com dnsmax.com dnsomatic.com
dnspark.com do.de domopoli.de dtdns.com duckdns.org duiadns.net dy.fi dyn.com
dyndns.it dyndns.org dyndnss.net dyns.net dynsip.org dynu.com dynv6.com easydns.com
editdns.net goip.de google.com he.net joker.com loopia.se mydns.jp myip.com.ua
myonlineportal.net mythic-beasts.com namecheap.com nettica.com noip.com no-ip.pl now-dns.com nsupdate.info
nubem.com opendns.com oray.com ovh.com regfish.de schokokeks.org secure.camera selfhost.de
sitelutions.com spdns.de spdyn.de strato.com system-ns.com thatip.com twodns.de umedia.de
variomedia.de xlhost.de zerigo.com zoneedit.com zzzz.io

cloudflare.com

Note: To use subdomains with Cloudfare services, you must use the @ symbol.

service_name	cloudflare.com-v4
domain		[Your domain, here: example.com]
username	Bearer
password	[Your API token]

To use subdomains (CNAME or A records), use the format below when filling your credentials:

domain		{subdomain}@[zone]

Examples:

If the hostname is “sample.example.com”, the “domain” field would be “[email protected]”
If the hostname is “dev1.sample.example.com”, the “domain” field would be “[email protected]”
If using Cloudflare's “Subdomain Support”, your zone may already be “foo.example.com”, so if the DDNS hostname is “bar.foo.example.com” the domain field would be “[email protected]

See also