Frequently Asked Questions (FAQ)

What is DNS-O-Matic?

DNS-O-Matic is a free service for distributing your dynamic IP changes to multiple services with a single update.

Who runs DNS-O-Matic?

OpenDNS runs DNS-O-Matic. OpenDNS is the world's largest and fastest-growing recursive DNS service. Read ”Why DNS-O-Matic?" for more details.

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.

Who should use DNS-O-Matic?

Everyone who needs to keep their IP address updated with a service or services. Some potential uses include keeping your dynamic DNS hostnames updated and using your OpenDNS custom preferences.

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.

How do I send my updates to DNS-O-Matic?

  1. Create an account.
  2. Add all services you use.
  3. Set up whatever software you want to use to send the update to DNS-O-Matic.

How do I update all my DNS-O-Matic services at once?

Leave the hostname parameter blank. Or, if your software client requires a hostname, send as the hostname.

How do I get DNS-O-Matic to support a new service?

Review the checklist and ask. It helps to encourage your provider to check out DNS-O-Matic, too.

How do I get my preferred software to send updates to DNS-O-Matic?

Read the documentation, and ask your client software developer nicely, pointing them to the API. We're happy to help.

Where does the name DNS-O-Matic come from?

We love the simplicity and utility of Ping-O-Matic, a service for distributing blog updates to multiple services, and knew DNS-O-Matic could play a similar role for dynamic IP users of DNS services.

faq.txt · Last modified: 2019/11/15 17:43 (external edit)