HackerOne: Criptographic Issue: Strisct Transport Security with not good max age..(TOO SHORT!)

Hello team of HackerOne! I am Simone, and today I will report you a criptographic issue on your site! Issue: Strict Transport Security with too short max age. Description: Your site use a good "Strict Transport Security" but with short MAX AGE! Severity: See more information below. Proof of Conce...