Email Dossier is a validation tool that checks an email address by walking through the process of sending email without actually sending any. It checks address syntax, looks up the domain's mail servers and tries contacting them. It reports a confidence rating from 0 to 3, error codes, a canonical address and MX records.
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Hunter tool for verifying if an email address is valid, deliverable, and safe to use before outreach.
Open source email verification service for checking syntax, MX records, and deliverability through an API.
Intelligence X is a provider of free open source intelligence (OSINT) and forensic tools for investigations. Its toolset supports search across third-party sites, social media intelligence for Facebook, Twitter, LinkedIn, Telegram, and YouTube, and utilities for tasks including email validation, domain lookups, IP lookups, Bitcoin tracing, and image analysis. All listed OSINT and forensic tools are available to use at no cost.
A collection of free open source intelligence and forensic tools for investigations. It provides links to third-party services for searching general web sources, email addresses, domains, IP addresses, Bitcoin addresses, images, usernames and social media, and includes a mail validation tool.
Intelligence X provides free open source intelligence tools for investigations. The tools search third party sites and perform social media intelligence on Facebook, Twitter, LinkedIn, Telegram and YouTube, alongside email and domain validation and lookup links.