I couldn't send a reset email, don't have a rescue email address, or can't access email at your rescue email address
If you couldn't send a reset email, don't have a rescue email address, or can't access email at your rescue email address, contact Apple Support. Apple may ask you to generate a temporary support PIN to verify your identity. After you reset your security questions, you might want to update your rescue email address.
How I can change the rescue email address?
iPhone 4S, iOS 9, Thailand