However, I can write a explaining the context, why people seek this, the risks involved, and the legal alternatives for iOS 9.3.5 users. This will be more helpful and responsible.
: iOS 9.3.5's Safari is outdated, but you can try Netflix.com directly. If Safari fails, download Dolphin Browser or Puffin from the App Store using the same "Purchased" trick; these sometimes handle web streaming better than legacy Safari. netflix ipa for ios 935 link
No. Apple and developers dropped iOS 9 support years ago. However, I can write a explaining the context,
Apple has a feature called “Last Compatible Version.” When you try to download an app that requires a newer iOS, the App Store offers you the latest version that still works with your current OS. If Safari fails, download Dolphin Browser or Puffin
Should you still want to find and sideload an old Netflix IPA, here is the only semi-legal path: