- Check for Open Ports
- Check for SSL Certificates
- Determine if the site is down world wide or not
- easySPF an Ajax enabled SPF Wizard
- Free DNS Report for domains
- GTMetrix Test a Website
- GTube e-Mail Message Generate a known spam message to test Spam Assassin
- Internet Supervision tracroute and loading info
- Offical Wordpress Guide for Moving Wordpress
- Network Tools Domain Tools for easy access
- Open SPF Record
- Sucrui Site Scanner, Scan a Site for Malware
- Verify Email Addresses
- ViewDNS Info
- Why No Padlock, Show SSL Problems in a site
- You Get Signal Reverse IP Lookup
- What’s My DNS
- intoDNS