This task can be performed using SSL Monitor
SSL Monitor: SSL Certificate Expiry Monitoring
Best product for this task

SSL Monitor
dev-tools
Automated SSL certificate monitoring with timely expiration alerts. Prevent website downtime, security warnings, and lost revenue with daily certificate checks and email notifications.

What to expect from an ideal product
- Sends daily email alerts before your SSL certificates expire so you never miss renewal deadlines
- Monitors all your website certificates automatically without requiring manual checks or calendar reminders
- Catches expiration dates across multiple domains and subdomains from a single dashboard
- Gives you enough advance warning to renew certificates before visitors see security warnings
- Prevents revenue loss by keeping your site accessible and maintaining customer trust through uninterrupted SSL protection