LookupTools favicon

LookupTools
The cyber swiss army knife of lookup tools

What is LookupTools?

LookupTools is a versatile cybersecurity platform designed to provide detailed information on various digital entities. It enables users to perform DNS lookups to discover a domain's DNS records, including IP addresses, name servers, and MX records. Additionally, it offers WHOIS lookups to access information on domain owners, registration dates, and nameservers.

The tool includes a subdomain finder to scan all live subdomains of a domain, along with IP addresses and server information. It also features an IP address lookup to find details such as ASN, geolocation, and threat level, as well as an email address lookup to locate sites with created accounts and other associated information.

Features

  • DNS Lookup: Discover a domain's DNS records, including IP addresses, name servers, and MX records
  • WHOIS Lookup: Look up information on domain owners, registration dates, nameservers, and more
  • Subdomain Finder: Scan all live subdomains of a domain, including IP addresses and server information
  • IP Address Lookup: Find information about an IP address, including its ASN, geolocation, and threat level
  • Email Address Lookup: Locate sites with created accounts and other information associated with an email address

Use Cases

  • Cybersecurity research and threat intelligence
  • Domain and IP address investigation for network security
  • Email address verification and account association tracking
  • Subdomain enumeration for penetration testing
  • WHOIS data retrieval for legal or administrative purposes

Related Tools:

Blogs:

  • Best AI tools for trip planning

    Best AI tools for trip planning

    These tools analyze user preferences, budget constraints, and destination details to provide personalized itineraries, suggest optimal routes, recommend accommodations, and even offer real-time updates on weather and local events.

  • Top 6 AI note-taking tools for 2026: in-person, online, and hybrid use cases

    Top 6 AI note-taking tools for 2026: in-person, online, and hybrid use cases

    Most AI note-taking lists are really lists of meeting bots, which join your video call and transcribe it. That's useful, but it's half the picture. Decisions happen in hallway conversations, client dinners, on-site visits, and hybrid rooms where nobody is on a video link. This guide covers different parts of the note-taking workflow: hardware capture for in-person settings, platform-native tools for online calls, and AI layers for organizing and synthesizing what you've captured. It compares six tools by capture context, workflow fit, pricing, and limitations.

Didn't find tool you were looking for?

Be as detailed as possible for better results