See llms.txt for all machine-readable content.
How it works
8AM daily trigger
- Read domains from Google Sheet
- Check each domain's SSL certificate
- Filter: only domains expiring within 30 days or already expired
- Classify severity (expired / critical / warning / notice)
- Send one digest message to Slack
- Create a Linear issue[or Jira ticket] per critical or expired domain
- Append all flagged domains to the logs sheet
Set up steps
Setup takes about 8–12 minutes.
1. Google Sheets
Create a spreadsheet with two sheets or download this:
Sheet 1 is called domains and sheet 2 logs
2. Import the workflow
Import this template into your n8n instance.
3. Connect credentials
You need three credentials:
- Google Sheets
- Slack
- Linear API