Monitor website domain, SSL, and uptime with Google Sheets and Telegram
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 18 nodes and runs on a schedule (cron 0 7 * * *). Along the way it connects Google Sheets and Telegram. It also calls data.iana.org and nslookup.io over HTTP.
How it runs
Trigger: On a schedule (cron 0 7 * * *).
- Configuration (Edit Fields (Set)): sets 6 fields: sheetId, sitesSheetName, historySheetName…
- Fetch RDAP Bootstrap (HTTP Request): calls data.iana.org
- Build TLD Map (Code): runs custom JavaScript code
- Read Sites From Sheet (Google Sheets): uses Google Sheets
- Loop Over Sites (Loop Over Items (Split in Batches)): loops over the items in batches
- Aggregate Results (Code): runs custom JavaScript code
- Prepare Domain (Code): runs custom JavaScript code
- Is Digest Day? (If): checks a condition and branches into true / false
- Check Domain (RDAP) (HTTP Request): calls an HTTP API
- Send Weekly Summary (Telegram): uses Telegram
…plus 6 more steps. See the full node list below.
Services it uses
HTTP calls to: data.iana.org, nslookup.io
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (9)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - HTTP Request
n8n-nodes-base.httpRequest - Code
n8n-nodes-base.code - Google Sheets
n8n-nodes-base.googleSheets - Loop Over Items (Split in Batches)
n8n-nodes-base.splitInBatches - If
n8n-nodes-base.if - Telegram
n8n-nodes-base.telegram - No Operation, do nothing
n8n-nodes-base.noOp
From the author
Quick overview This workflow runs daily and checks each site listed in Google Sheets for domain expiry (RDAP), SSL certificate expiry (nslookup.io), and HTTP uptime, then sends priority-based tiered alerts and a weekly Telegram health summary. How it works 1.…