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Published directory entries matching your search.
A Chrome extension that reverse-looks up a LinkedIn profile from an email address, returning the name, profile id, username and profile image if a match is found. It requires an active LinkedIn login session and allows up to 50 unique email addresses searched. Version 1.0 was published Sep 3, 2019.
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.
OSINT platform for reverse email and phone lookups, helping investigators find public account links and digital traces.
A Chrome extension that restores the pre-2018 ability to look up the Facebook account linked to an email address, subject to privacy settings. It requires the user to be logged in to a Facebook account while the page is active, and returns the profile ID and profile image when a match is found.
Reverse email lookup tool for finding public profiles, social accounts, and identity clues linked to an email address.
DNSWatch offers DNS lookup and reverse DNS lookup tools with exact performance measuring and DNS server monitoring. It also provides RBL email blacklist lookup and IP location lookup. Paid products include DNS performance monitoring starting at $1 per month, mailserver blacklist monitoring starting at $3.5 per month, and a DNS changetracker starting at $7.9 per month. The site is free to use with ads.
OSINT Toolkit Website Information is a collection of tools for researching websites, IP addresses, domains, emails and MAC addresses. It lists lookups including Ping Website, Whois, reverse Whois, network and TLD lookup, IP history and geolocation, MAC vendor lookup, DNS report and header and source code search. The page states that some tools require the IP address, email address, domain name or MAC address of the target.
CentralOps collection of DNS, WHOIS, traceroute, email, and network lookup tools.
Leak Lookup is a data breach search engine for searching database leaks and dumps. It offers username, email and IP address lookups across thousands of breaches to help track credentials compromised in the wild. A hash API provides hash-cracking capabilities and an API key is required to make requests.
Phonebook.cz is a lookup tool from Intelligence X that lists domains, email addresses, or URLs for a given input domain. Access requires login through an intelx.io account and a paid license. The service states that it searches 313 billion records.
Reverse WHOIS lookup for finding domains connected to the same registrant, email, or ownership details.
OSINT Toolkit provides email and username lookup tools. Users enter a username or email to run general searches, social media searches and messaging app searches. The site notes that username and email results are an approximation, so negative results do not necessarily mean an account is not in use.
OSINT framework for finding public information linked to phone numbers, emails, usernames, and other identifiers.
Collection of online network tools for DNS, IP lookup, email checks, and security research.
DNSlytics is an online investigation tool for viewing information about IP addresses, domain names and providers. It offers DNS lookups, email testing, WHOIS lookups, and reports on AS/BGP, CIDR and TLD data. Premium website access and a premium API provide additional page views, monitors and data.
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.
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.
OSINT tool that helps derive possible phone numbers connected to an email using partial number clues.
h8mail is a Python tool for email OSINT and password breach hunting. It finds passwords through breach and reconnaissance services or local data, supports premium lookup services, and can search .txt and .gz files locally using multiprocessing.
DNSai is a collection of DNS and email security tools on one page. It covers DNS record lookups, WHOIS, blacklist checks, SPF, DKIM and DMARC builders and validators, email header analysis and bulk domain scanning. The tools return plain-English AI summaries, and each is available through an API and MCP connectors.
Command-line tool for checking which known breaches may be linked to a target email address.
The MIT PGP Key Server is also named the MIT PGP Public Key Server. It provides options to extract a key, submit a key, and remove a key. The site also lists help topics for extracting keys, submitting keys, an email interface, information about the server, a FAQ, and related information about PGP. The page includes links for these actions and resources.
OSINT tool for gathering emails, domains, hosts, and public data from search engines and sources.
AnalyzeID is a reverse lookup tool that searches Google Analytics, Google Adsense, Amazon affiliate, email, IP and other third-party IDs to find other websites owned by the same person. The site lists uses such as researching site owners, checking whether sellers are mass producing sites, and finding money sites. It presents itself as more than a reverse IP tool when owners host sites on different servers.
