In addition to this, you will also need to setup a firewall or static route on the router to force the Chromecast to use our DNS servers. Without this rule, the Chromecast will automatically revert to it's inbuilt Google DNS servers and bypass the DNS servers set on your router.
These instructions below will guide you on how to force all DNS queries through our service via the listed routers, regardless of whether another DNS i.e. Google DNS , OpenDNS is set on the individual devices.
MyTelly DD-WRT Firewall setup
MyTelly Mikrotik Firewall setup
If you have any problems, queries or don't see your router listed, please email us at firstname.lastname@example.org. We’ll get back to you as soon as possible and try to help.