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: 184.108.40.206 or 220.127.116.11
Google DNS: 18.104.22.168 or 22.214.171.124
Open DNS: 126.96.36.199 or 188.8.131.52
DNS Watch: 184.108.40.206 or 220.127.116.11
Step 3: Go back to Wi-Fi to save your changes.