IT Tools

A collection of handy utilities for networking and system admins.

• Oak Donut - Chrome Extension– Oak Donut scrolls through the active webpage, assembles one complete image, and lets you save it as PNG or PDF.
• Subnet Calculator – Calculate subnet masks, IP ranges, and more for efficient network planning.
• What Is My IP – Instantly find your public IP address and location details.
• SPF Record Checker – Validate your domain's SPF records for proper email configuration.
• SSL Checker – Test SSL certificates for validity, expiration, and configuration issues.