Netumo - Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Whoisology - Connected database of whois records and whois history

AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.

WhoisThisDomain - Domain name lookup tool that allows you to get information about domain registration from WHOIS server.

RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems

Bulk Whois API - Bulk Whois API is a provider of parsed WHOIS data in JSON with simple API, competitive pricing, top notch support, and more.