NsLookup

Online tool to lookup DNS info of a domain

NsLookup allows users to look up DNS information, including various types of records such as A, AAAA, CNAME, MX, NS, TXT... for a specific domain right in the web browser, making DNS checking accessible and easy.

The product was built and developed since 2020 by Ruurtjan Pul, a software engineer from the Netherlands.

Revenue model

NsLookup generates revenue by displaying ads on its website. With the monthly traffic reaching over 700K, the product achieves a revenue of $4,500/month from ads, according to the author's sharing.

Marketing strategy

NsLookup mainly receives traffic by applying SEO techniques, with mini tools divided into separate pages, making the site easy to find and ranked high on search engines.

In addition, the author also shares experiences and knowledge through personal blogs and many other social networks such as Reddit, Twitter, Hacker News... helping the product to be more widely known.