Founder of SimplexIT and Domain Inventory LLC Domain investorSEO strategistAffiliate marketerMicro-SaaS builder

Digital assets built to keep paying.

I'm Masud Rana, a digital entrepreneur who acquires premium domains and builds websites, tools and content properties that earn recurring income and serve thousands of people every month.

Masud Rana in a navy suit, studio portrait
Domain Inventory LLC
Founder
SimplexIT
Founder

Websites are real estate. I treat them that way.

Every property I acquire or build is judged the way a careful investor judges a building: is it in a good location, is it structurally sound, does it attract the right traffic, and will it still be producing income in five years?

That discipline starts with the domain, the land under every digital property, and runs through how a single page is structured. I don't chase short-lived tactics. I build ranking systems, conversion paths and small software products that compound quietly, then reinvest the returns into the next asset.

The result is a private portfolio of tools, educational resources and niche websites that generate recurring revenue and help thousands of users each month.

What I do

Five areas of expertise, led by domain investment, with one objective: durable digital income.

Domain investment

Top expertise

My core expertise: premium domains, authority assets, aged SEO domains and brand-building digital real estate.

  • Aged domains
  • Premium names
  • Portfolio strategy
  • Acquisition and resale

Technical SEO, ranking systems, topical mapping, keyword strategy and content optimization.

  • Technical audits
  • Topical maps
  • Keyword strategy
  • Content optimization

High-conversion funnels, comparison sites and SEO-driven affiliate assets built to earn consistently.

  • Comparison sites
  • Review funnels
  • Conversion architecture
  • Amazon and network programs

Small but powerful digital tools that generate recurring, long-term value.

  • Web utilities
  • Calculators
  • Reference tools
  • Lightweight SaaS

Turning ideas into profitable digital assets through high-intent content frameworks.

  • Content frameworks
  • Monetization design
  • Educational assets
  • Editorial systems

A portfolio built quietly

I keep the individual properties private. What I can share is the shape of the portfolio: the kinds of assets it holds and the standards each one meets.

Domain holdings

Premium, aged and brandable names held for development or resale. The foundation layer of everything else.

Utility tools

Single-purpose web tools people return to whenever they need the job done. Steady, unpaid traffic.

Reference resources

Large, structured reference sites with unique pages for each entity they cover.

Content and affiliate sites

Niche publications built on topical maps, monetized through advertising and affiliate programs.

How an asset comes together

The same four stages, whether the outcome is a comparison site, a calculator or a portfolio domain.

  1. Research the demand

    Everything starts with search behaviour: what people are looking for, how well it is currently served, and whether there is a durable revenue model behind it.

  2. Secure the domain

    Acquire the right name, whether a premium domain, an aged asset with clean authority, or a fresh brandable that suits the niche.

  3. Build the system

    Design the site architecture, content framework and any tools the audience needs, engineered for speed, clarity and rankings.

  4. Monetize and compound

    Introduce the revenue model that fits the audience, measure it honestly, and reinvest in the property or the next one.

Founder

Two companies, one portfolio.

The investing and the building happen in separate companies, so each can be run with the discipline its job requires.

DI

Domain Inventory LLC

Domain investment company

The vehicle for my core expertise. Domain Inventory LLC acquires premium, aged and brandable domains, holds and improves them, and sells or leases them to businesses that can put them to work.

  • Premium and exact-match acquisition
  • Aged domains with earned authority
  • Valuation, resale and leasing
  • Due diligence for buyers
S

SimplexIT

Digital products, SEO and development

The building company. SimplexIT develops and operates the tools, content properties and affiliate systems that turn a good domain into a producing asset, and takes on selected client work in the same disciplines.

  • Micro-SaaS and web tools
  • SEO strategy and architecture
  • Affiliate systems
  • Lean, fast site builds

Have a domain, a site or an idea that should be earning more?

I take on a small number of domain acquisitions, consulting engagements and partnership projects each year. If your project fits, I'll reply with a clear view of what's possible.