Step 1: Go to your iPad settings. Now click on “Wi-Fi” and select the network you are connected to.
Step 2: In the DNS field enter the DNS Server address. Tap on “Wi-Fi” from the upper left corner to save your settings.
Cloudflare DNS: 220.127.116.11 or 18.104.22.168
Google DNS: 22.214.171.124 or 126.96.36.199
Open DNS: 188.8.131.52 or 184.108.40.206
DNS Watch: 220.127.116.11 or 18.104.22.168
Step 3: Go back to Wi-Fi to save your changes.