: These reports are used in cybersecurity research to identify phishing websites or maliciously registered domains .

: Using Excel for this type of report allows for coding and identifying patterns such as common registration dates, ASN (Autonomous System Numbers), or registrar names. Common Features of These Reports

: Data from these filings is often exported into .xlsx formats to allow analysts to compare metrics and track milestones across multiple companies or dates. 2. WHOIS Domain & Cybersecurity Audits

In a financial context, often refers to Form 6-K , which foreign private issuers use to submit information to the SEC (Securities and Exchange Commission) .

The file likely refers to a data compilation or reporting spreadsheet related to corporate filings or domain registration audits from the year 2021. Based on similar naming conventions in financial and technical databases, it typically serves as a structured report for one of the following: 1. SEC Form 8-K Corporate Reports

The name may also refer to a (often denoted by the "whois" prefix) containing "6k" (6,000) entries of domain data from 2021.

Regardless of the specific industry, such a report generally provides:

: Useful for calculating frequencies or performing content analysis to find themes in textual data.