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DomainDb Info vs InternetDB API

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

APIDomainDb InfoHEALTHY97InternetDB APIHEALTHY99
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms234133
P95 · ms16352260
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DomainDb Info vs InternetDB API: common questions

Which is more reliable, DomainDb Info or InternetDB API?

Both are neck-and-neck — DomainDb Info and InternetDB API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, DomainDb Info or InternetDB API?

InternetDB API has the lower median latency in our checks — DomainDb Info responds in 234 ms versus InternetDB API at 133 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 InternetDB API need an API key?

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

Can I call DomainDb Info and InternetDB API from the browser?

Only InternetDB API 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 InternetDB API free for commercial use?

DomainDb Info has unclear commercial terms, and InternetDB API 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.