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DomainDb Info vs staffSign

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

APIDomainDb InfoNEW—staffSignNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DomainDb Info vs staffSign: common questions

Which is more reliable, DomainDb Info or staffSign?

On our scheduled checks, staffSign leads on measured uptime — DomainDb Info at —% versus staffSign at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do DomainDb Info and staffSign need an API key?

DomainDb Info needs no key, while staffSign requires a free API key. If you want to start calling without signup, reach for DomainDb Info first.

Can I call DomainDb Info and staffSign from the browser?

Neither sends browser-friendly CORS headers reliably, so call DomainDb Info and staffSign from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are DomainDb Info and staffSign free for commercial use?

DomainDb Info has unclear commercial terms, and staffSign 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.