Email Tracing using FindIP.Net API

Email tracing is a technique that has been employed by cybersecurity experts, investigators, and curious individuals alike. It involves tracking the origin of an email, which can be invaluable in various scenarios, from verifying the authenticity of a sender to investigating potential cyber threats. In this guide, we'll delve deep into the world of email tracing, focusing on how the "Find IP Location" API can be a pivotal tool in this process.

Understanding the Basics of Email Tracing

Every email that's sent across the vast expanse of the internet doesn't travel in one piece. Instead, it hops across multiple servers before reaching its destination. Each of these 'hops' is recorded in the email's header, providing a trail that can be followed back to its source.

The Significance of IP Addresses in Email Headers

IP addresses are unique identifiers assigned to every device connected to the internet. When an email is sent, the IP address of the sending device or server is stamped onto the email header. By extracting this IP address, one can gain insights into the geographical location of the sender, their internet service provider, and more.

Extracting IP Addresses from Email Headers

Before you can trace an email's origin, you need to extract the IP address from its header. Here's how:

  1. Open the email in question in your email client.
  2. Look for an option that says "View Source", "Email Details", or something similar. This option will display the email's full header.
  3. Within the header, search for lines that begin with "Received: from". The IP address will typically be enclosed in square brackets.
  4. Note down this IP address for tracing.

Introducing the Find IP Location API

The "Find IP Location" API is a tool that takes an IP address as input and returns detailed information about its geographical location, the associated ISP, and other relevant data. By integrating this API into your email tracing workflow, you can automate the process of pinpointing the origin of an email.

How to Use the Find IP Location API for Email Tracing

Once you've extracted the IP address from the email header, the next step is straightforward:

  1. Access the Find IP Location API's endpoint, typically a URL.
  2. Append the extracted IP address to this URL as a query parameter.
  3. Send a request to this modified URL using a web browser or a tool like cURL.
  4. The API will return a JSON object containing details about the IP's location, ISP, and more.

Interpreting the Results

While the data returned by the API can provide valuable insights, it's crucial to interpret it correctly:

  • Geographical Location: This can give you a rough idea of where the email originated. However, remember that this is the location of the IP address, not necessarily the sender. They might be using a VPN or proxy, which can mask their real location.
  • ISP Information: Knowing the Internet Service Provider can sometimes help in verifying the authenticity of an email. For instance, an email claiming to be from a corporate entity but originating from a residential ISP might be suspicious.

Limitations and Ethical Considerations

While email tracing can be a powerful tool, it's not without its limitations. Many email services mask the sender's real IP to protect their privacy. Moreover, the use of VPNs and proxies can further obfuscate the true origin of an email.

It's also essential to approach email tracing ethically. Respect privacy laws and ensure you're not infringing on anyone's rights. Email tracing should be used responsibly and judiciously.


Email tracing, when combined with tools like the Find IP Location API, can be a potent method to verify the authenticity of emails, investigate potential threats, or satisfy one's curiosity. However, always remember to use this power responsibly, keeping in mind the limitations of the technique and the rights of individuals.