Walled Garden

Google

ssl.gstatic.com
accounts.google.com
accounts.google.com.pk (or other local domain)
www.gstatic.com
fonts.gstatic.com
accounts.youtube.com
play.google.com

Note: If we include www.google.com then portal detection does not work on Android.

Stripe

api.stripe.com
checkout.stripe.com
files.stripe.com
js.stripe.com
m.stripe.com
m.stripe.network
q.stripe.com

Zoho Survey

survey.zohopublic.com
webfonts.zoho.com
css5.zohostatic.com
js5.zohostatic.com

References

Cloudi-fi