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DomainDb Info vs NetworkCalc

Same instrument, two spec sheets — measured, not claimed.

APIDomainDb InfoHEALTHY97NetworkCalcHEALTHY91
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms234448
P95 · ms16353976
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree public API, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DomainDb Info vs NetworkCalc: common questions

Which is more reliable, DomainDb Info or NetworkCalc?

On our scheduled checks, DomainDb Info leads on measured uptime — DomainDb Info at 100% versus NetworkCalc 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, DomainDb Info or NetworkCalc?

DomainDb Info has the lower median latency in our checks — DomainDb Info responds in 234 ms versus NetworkCalc at 448 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 DomainDb Info and NetworkCalc need an API key?

Neither needs a paid key — DomainDb Info is callable with no signup, and NetworkCalc is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call DomainDb Info and NetworkCalc from the browser?

Only NetworkCalc is browser-friendly — it returns CORS headers over HTTPS. DomainDb Info needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are DomainDb Info and NetworkCalc free for commercial use?

DomainDb Info has unclear commercial terms, and NetworkCalc 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.