Instagram uses expiring certificates as single day TLS certificates

TLDR : Instagram changes their TLS certificates daily and they use&#xA;certificates that are just about to expire in a week. &#xA; Intro &#xA; Since I occasionally help debug issues with office networks, I have&#xA;built a simple cross-platform app for myself. One part of the app is a tool that gets the site&#xA;certificate and displays various needed information. To test edge cases and&#xA;verify…