If you are unable to use UnoDNS due to DNS filters in your network, you may still have a chance. If you have a router with DD-WRT, you can redirect your DNS traffic via another port, which should bypass any DNS filters.
Disclaimer: This is an advanced tutorial meant for users comfortable setting up routers. If settings get corrupt, you always have the option of resetting the router but make sure you make note of your current settings or back them up first. The instructions and commands are provided AS IS for you to try and may or may not work depending on your actual router and the features available for you.
Step 1: Login to your router
a. Login to your DD-WRT Router
Step 2: Add in the Firewall Rules
a. Navigate to Administration -> Commands
b. Add the following rules in the Commands field. At the current time, only these servers support alternate ports.
iptables -t nat -A PREROUTING -i br0 -p udp --dport 53 -j DNAT --to 220.127.116.11:5353
iptables -t nat -A PREROUTING -i br0 -p udp --dport 53 -j DNAT --to 18.104.22.168:5353
c. Click on 'Save Firewall'
Step 3: Reboot Router
a. Navigate to Administration -> Management
b. Scroll all the way down and click on 'Reboot Router'
Step 4: Check Setup
a. Go to https://quickstart3.unotelly.com/quickstart and you should now see Setup Complete.