
Description: ViewDNS.info is a free online tool that allows you to perform various DNS lookup operations and analysis. It can be used to lookup DNS records, analyze DNS propagation, verify email deliverability, check website uptime, detect DNS misconfigurations, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nslookup is a network administration command-line tool for querying DNS servers to obtain domain name or IP address mapping or for troubleshooting DNS issues. It allows administrators to test and diagnose DNS problems and verify DNS configurations and records.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API