Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
Free DtDNS AlternativesDynamic DNS Services and other similar apps like DtDNS
The best free alternative to DtDNS is Quad9. If that doesn't suit you, our users have ranked more than 10 alternatives to DtDNS and 18 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to DtDNS are Duck DNS, Cisco Umbrella, No-IP and OpenNIC.
Alternatives list

- 72 Cisco Umbrella alternatives
Cisco Umbrella (formerly OpenDNS) provides the first line of defense against threats on the internet wherever users go.
Comments about Cisco Umbrella as an Alternative to DtDNS


- Cisco Umbrella is Freemium and Proprietary
- 35 No-IP alternatives
No-IP allows you to create up to 3 free Dynamics DNS hosts for private use. You will need to register for a free account, and either update your IP address via their web interface or download their Windows client.


- 45 OpenNIC alternatives
OpenNIC is a user-owned and controlled alternate network information center/alternative DNS root which lists itself as an alternative to ICANN and its registries.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online


Comments about OpenNIC as an Alternative to DtDNS
One is a dynamic DNS provider used to assign a semi-permanent address on the internet to a dynamic IP. OpenNIC on the other hand is an alternative DNS/NIC that provides functionality similar to ICANN.


- OpenNIC is Free and Open Source
- OpenNIC is Privacy focused
- 38 FreeDNS alternatives
Free DNS, Dynamic DNS, Static DNS services; 5 free shared hostnames, use anywhere; Unlimited number of domains per account (yes really);

- 41 ClouDNS.net alternatives
Offers managed DNS with global Anycast and Unicast servers, instant worldwide updates, DDoS protection, DNS Failover, DNSSEC, mail forwards, web redirects, load balancing, free SSL, migration assistance, geolocation targeting, and 24/7 live chat support.

- 34 Dynu Dynamic DNS alternatives
Dynu offers free dynamic DNS service for yourname.dynu.com and yourname.com. It has a simple API(update URL) and offers free update client software.


BuddyNS is the fastest-to-synchronize DNS service on the Internet. Whenever you add or modify records for your domain name, BuddyNS synchronizes within 10 minutes, or immediately with SyncNOW!. As a comparison, most alternative services synchronize in one to twelve hours.
Cost / License
- Free
- Proprietary
Platforms
- Online
Cost / License
- Free
- Proprietary
Platforms
- Online
Free DNS service for the self-reliant people who want to experiment on their own, or keep all their zones in a single place.
This Free DNS hosting service is provided to help people that don't want to lose time and money with providers not always reactive to DNS changes.
Cost / License
- Free
- Open Source
Platforms
- Online
- Self-Hosted




























One is a dynamic DNS provider allowing dynamic addresses to get a semi-permanent address on the internet (DtDNS).
OpenDNS on the other hand just provides a free DNS service for all to use to resolve host names through the internet. So they both have DNS in common but serve different functions.