Guides
DNS Root: The 14 Keyholders Who Secure the Internet
Unveil the secret cryptographic ritual where 14 keyholders meet twice a year to secure the master DNS root directory of the entire web.
Blog
DCSPEEDTEST BLOG
Internet guides, hardware reviews, latency optimization, and speedrun tips for the modern web.
Reviews
Do You Need Multi-Gig Internet in 2026?
ISPs are selling 2Gbps and 5Gbps plans. Are they genuinely useful for a household, or just a bragging-rights scam? We tested it.
Security
DDoS Protection for Gamers: 2026 Setup Guide
DDoS attacks on individual gamers rose 340% since 2022. Here's how attackers find your IP, and the defenses that actually work.
Troubleshooting
Slow Internet in an Apartment Building: The Fix
Apartment internet is architecturally different from suburban internet. Shared infrastructure and RF saturation create unique problems.
Guides
Online Speed Test vs Desktop Apps: More Accurate?
Should you test in the browser or download a dedicated app? We analyzed the data discrepancies between different net speed test methods.
Troubleshooting
Does Router Overheating Slow Your Internet?
We deliberately overheated a router in a sealed enclosure and measured performance. Here's the temperature where it degrades.
Troubleshooting
NAT Types Explained: Open, Moderate, Strict
Struggling to join your friend's lobby? Your NAT type is likely the culprit. Here is how to get an Open NAT.
History
How Two Geniuses Invented Packet Switching
In the 1960s, Paul Baran and Donald Davies designed packet switching to survive nuclear attacks and data bottlenecks. This is the history of packets.
Research
How Much Does ISP Speed Drop at Peak Hours?
We analyzed 90 days of data to quantify how much speed drops from morning to evening peak — by ISP type, region, and plan.