DYNAMIC DNS GUIDE

DNS-O-Matic
alternatives

Need a new way to keep your records in sync? Compare hosted relays, self-hosted updaters, and dynamic DNS services before you change your router.

THE WORKFLOW TO REPLACE01 → MANY
Your routerIP changes
One update/nic/update
CloudflarePorkbunRoute 53

DNS-O-Matic popularized this pattern: one client request, multiple configured services. See its API docs

Why compare now? DNS-O-Matic says it is no longer accepting new accounts. Existing users should check which services receive their updates and choose a path that covers those destinations.

THE SHORTLIST

Choose by the job you need done.

The closest fit depends on whether you need to update several providers, run software yourself, or simply keep one hostname current.

02 / 04

ddns-updater

Self-hosted updater

Run a container or binary that checks your public IP and updates records at supported DNS providers on a schedule.

Best forRunning the update process on your own machine
ConsiderYou manage the host, configuration, credentials, and uptime.
See the project
03 / 04

Duck DNS

Hosted dynamic DNS

Get a free Duck DNS hostname and keep it pointed at your changing IP with its update API or install guides.

Best forA simple hostname under duckdns.org
ConsiderIt serves its own DNS hostnames rather than acting as a multi-provider relay.
Read the Duck DNS spec
04 / 04

Dynu

Hosted dynamic DNS

Use a Dynu subdomain or your own domain with Dynu’s dynamic DNS service, clients, and update methods.

Best forHosting dynamic DNS with Dynu
ConsiderCheck how your domain is hosted and whether its update flow fits your current setup.
Explore Dynu DDNS

Provider support, device compatibility, and pricing can change. Confirm the details with each service before switching.

QUICK DECISION

Match the tool to your setup.

“Dynamic DNS” covers several different jobs. Start with the way you want updates to flow.

One router update → several DNS providersLook at DNSbun’s hosted relay workflow or a self-hosted updater such as ddns-updater.

I want to run it myselfddns-updater is designed to run as your own container or binary.

I just need a dynamic hostnameDuck DNS and Dynu provide hosted DDNS with their own update methods.

MOVING FROM DNS-O-MATIC

Keep the migration simple.

Record your current destinations first. Then configure the replacement and test an update before relying on it.

See DNSbun’s migration guide
  1. 01
    Inventory your services

    List each DNS or IP service DNS-O-Matic currently updates, plus the hostname and record type.

  2. 02
    Choose the update path

    Pick a relay for one inbound request or set up a self-hosted updater or direct provider client.

  3. 03
    Change and verify

    Update the server and credentials in your client, send a test update, and confirm the destination records.

COMMON QUESTIONS

Before you switch

Is DNS-O-Matic still accepting new accounts?

Its account creation page says new accounts are no longer being accepted. If you already use DNS-O-Matic, review your current destinations and prepare a replacement before changing your router settings.

Which option is closest to DNS-O-Matic?

For a hosted one-update-to-many-destinations workflow, DNSbun is being built around the DNS-O-Matic/DynDNS-style request format. It is currently an early access waitlist. For an option you can run yourself, compare ddns-updater.

Can I keep using all.dnsomatic.com as the hostname?

DNSbun accepts all.dnsomatic.com as a compatibility alias for its all-destinations target. You still need to change the update server and credentials; check your device’s configuration fields before migrating.

Will Duck DNS or Dynu update every provider I use?

They are dynamic DNS services with their own update flows. If you need one router update to reach several separate DNS providers, choose a relay or configure a self-hosted updater for each destination.

DNSBUN · EARLY ACCESS

One update. Every destination.

DNSbun is being built for people who want the DNS-O-Matic style workflow with a modern, hosted relay. Join the waitlist for launch updates.

Join the waitlist