Domain Intelligence vs Portscan
Same instrument, two spec sheets — measured, not claimed.
Domain Intelligence vs Portscan: common questions
Which is more reliable, Domain Intelligence or Portscan?
On our scheduled checks, Portscan leads on measured uptime — Domain Intelligence at 83.3% versus Portscan at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Domain Intelligence or Portscan?
Portscan has the lower median latency in our checks — Domain Intelligence responds in 533 ms versus Portscan at 335 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Domain Intelligence and Portscan need an API key?
Portscan needs no key, while Domain Intelligence requires a free API key. If you want to start calling without signup, reach for Portscan first.
Can I call Domain Intelligence and Portscan from the browser?
Only Portscan is browser-friendly — it returns CORS headers over HTTPS. Domain Intelligence needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Domain Intelligence and Portscan free for commercial use?
Domain Intelligence has unclear commercial terms, and Portscan has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.