HOW TO: update IP change on Tunnelbroker with DNS-O-MATIC

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Joined: 24 Feb 2013
Posts: 1521
Location: Belgrade

PostPosted: Tue Dec 09, 2014 20:06    Post subject: HOW TO: update IP change on Tunnelbroker with DNS-O-MATIC Reply with quote

What is DNS-O-Matic?

DNS-O-Matic is a total free of cost service from OpenDNS. DNS-O-Matic provides you a free and easy way to announce your dynamic IP changes to multiple services with a single update. Using DNS-O-Matic allows you to pick and choose what Dynamic DNS services you want to notify.

Why DNS-O-Matic?

Many applications on the Internet rely on knowing your IP address. Providing a scalable platform to allow people to selectively announce when their IP address changes will benefit all sorts of services and applications. And, this isn't just about DNS — everything from your Apple TV to your Xbox 360 can benefit from knowing when your IP changes.

Does DNS-O-Matic provide hostnames or other DNS services?
No. DNS-O-Matic does one thing very well: distributes dynamic IP updates to all your chosen services. You just update your IP (with custom settings on DDNS tab of your ddwrt router) at DNS-O-MATIC, and DNS-O-MATIC will send updated information to all yours dns providers at the same time.

For example if you use:
1) OpenDNS to webfilter your Guest WiFi (see Wiki )
2) DtDNS where you have free FQDN (if you are using ddwrt as a VPN server on Dynamic IP, it is more easier to remember domain ‘cause IP changes all the time)
3) Tunnelbroker and 6in4 Static Tunnel IPV6 on your ddwrt – on builds r25139 and higher on 8MB and more flash space (you must send IP changes to tunnelbroker)

you can update them all at once.

Does DNS-O-Matic cost any money?
No. DNS-O-Matic is free.

Is my information secure with DNS-O-Matic?
DNS-O-Matic account creation and service provision is handled under Secure Sockets Layer (SSL) encryption. DNS-O-Matic does not store any passwords in plaintext.
Where available, DNS-O-Matic suggests using a service's update credentials rather than account credentials.

Configuring Tunnelbroker on DNS-O-Matic

User ID: Your Tunnelbroker Username (Account Name), the one you use to log in, not your long hashy User ID as suggested elsewhere.

Password: The Update Key from your tunnel’s information page.

Host/Identifier: The DNS fully-qualified name of your tunnel, not the numeric Tunnel ID. This is of the form <user>-<index>.tunnel.<tunnel-server>.<datacenter>

Special thanks to these people:
Andrew Jorgensen

Joined: 25 Jan 2008
Posts: 935

PostPosted: Tue Jan 27, 2015 21:42    Post subject: Reply with quote
Thanks for posting the your detailed "How To" threads. This is great being able to update my existing DDNS and Tunnelbroker simultaneously. Thank you again, it's greatly appreciated
DD-WRT Novice

Joined: 09 Sep 2010
Posts: 3

PostPosted: Tue Mar 10, 2015 4:26    Post subject: Reply with quote
I followed the steps for getting Tunnelbroker to work with DNSomatic but all I get is "Waiting for first update".
DD-WRT Novice

Joined: 16 Feb 2014
Posts: 15

PostPosted: Sun Jul 19, 2015 17:57    Post subject: Reply with quote
This guide worked nicely for me.

Also, since DNS-O-Matic aggregates a huge number of Dynamic DNS services, it may be difficult to choose one at first. I found out that if you have signed up at TunnelBroker for IPv6, by using the same credentials you can log into the Hurricane Electric free (Dynamic) DNS service at That's both convenient and one less possible point of failure.

From there you can use "Add a new domain" to register the domain to HE servers, then change the settings in your domain provider to point the name servers to (and optimally also,,, Then wait 24 hours, and in the HE DNS page click "recheck delegation". That should result in the warnings getting cleared. To use DDNS, add an A record, enter the current IPv4 address, check the dynamic DNS box, then press the rotating arrows next to the entry and click "generate a key". Paste the key into DNS-O-Matic (service entry "HE DNS", "Dynamic DNS Key" field) and enter the same domain name as before, and it should autoupdate from then on.
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