HostInfo Blog

Insights & Engineering

Insights on internet infrastructure, security, and data.

All Articles

Security

DNS Security Threats You Need to Know in 2024

From DNS hijacking to cache poisoning and amplification attacks, this deep-dive covers the attack surface of the Domain Name System and what defenders can do about it.

MC

Maria Chen

Feb 15, 2024 · 10 min

Infrastructure

How We Handle 5 Million API Requests Per Day

A technical walkthrough of our caching strategy, rate-limiting approach, and database sharding that allows us to reliably serve millions of IP lookups daily.

JK

Jordan Kim

Jan 10, 2024 · 15 min

Engineering

How We Built Our Privacy Detection System

A behind-the-scenes look at the machine learning pipeline and heuristics that power our VPN, proxy, and Tor detection.

SR

Sadia Rahman

Mar 14, 2024 · 9 min

Security

The State of VPN Usage in 2024

We analyzed 100M+ IP lookups to map VPN adoption trends across regions, industries, and device types. The results are surprising.

NP

Nour Petrov

Feb 27, 2024 · 7 min

Product

Introducing IP Ranges API

Our new IP Ranges API lets you look up every CIDR block owned by any organization or ASN — perfect for access control and threat modeling.

JT

Jamie Torres

Feb 12, 2024 · 5 min

Data

Why IP Geolocation Accuracy Matters for Fraud Prevention

Inaccurate geolocation doesn't just annoy users — it can let fraudsters slip through or block legitimate customers. We quantify the risk.

MK

Marcus Klein

Jan 30, 2024 · 8 min

Data

Behind the Numbers: Our Domain Rankings Methodology

How we rank 500 million domains by traffic, authority, and relevance — and why we think our methodology is more useful than alternatives.

MK

Marcus Klein

Jan 15, 2024 · 11 min

Product

Building with HostInfo: A Case Study in Fraud Prevention

How a fintech startup reduced chargebacks by 34% in 60 days by integrating HostInfo's Privacy Detection and Geolocation APIs.

LM

Lena Morrow

Dec 20, 2023 · 6 min

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