
Description: DNSdumpster.com is a free online DNS reconnaissance tool that allows users to gather information about a domain's DNS records. It can be used to discover subdomains, get DNS server information, find associated IPs and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Robtex is a free online tool that provides various utilities for investigating IP addresses, domains, autonomous system numbers (ASNs) and more. It offers whois lookups, DNS information, routing data, hosting details and network ownership records.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API