Audit Guide

How to Interpret Whois Data

Whois data is a goldmine of information about a domain's history, ownership, and legitimacy. Learn how to decode it for your security audits.

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Instant domain registration analysis

01 What is Whois?

Whois is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name or an IP address block.

Public Record
Like a property deed for the internet.

02 Key Whois Fields Explained

Creation & Expiration Dates

A domain registered yesterday but claiming to be a 10-year-old bank is a major red flag.

05 FAQ

Why is some Whois information redacted?

Due to privacy regulations like GDPR, many registrars redact the personal contact details of domain owners. This is often listed as 'Data Protected' or 'Redacted for Privacy'.

Can I find out who owns a domain if it's private?

Generally, no. If a domain has privacy protection enabled, only the registrar and certain legal authorities can see the underlying data.

How accurate is Whois data?

ICANN requirements state that Whois data must be accurate, but many people use placeholder data or privacy services.

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