Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online
- Android
- Android Tablet
- F-Droid
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 FreeDNS.
Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.

Cisco Umbrella (formerly OpenDNS) provides the first line of defense against threats on the internet wherever users go.
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.


Free DNS, Dynamic DNS, Static DNS services; 5 free shared hostnames, use anywhere; Unlimited number of domains per account (yes really);

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.


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.

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.
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.
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.