Settings
Production lookup behavior is controlled by server-only environment variables, keeping credentials and operational limits out of browser JavaScript.
SettingEnvironment variableDefault
Global concurrency
DOMAIN_LOOKUP_CONCURRENCY15Per-registry concurrency
DOMAIN_LOOKUP_PER_HOST_CONCURRENCY2Request timeout (ms)
RDAP_TIMEOUT_MS10000Maximum retries
RDAP_MAX_RETRIES3Base cache TTL (hours)
CACHE_TTL_HOURS24Expiry warning (days)
EXPIRY_WARNING_DAYS90Critical threshold (days)
EXPIRY_CRITICAL_DAYS30RDAP.org fallback
RDAP_ORG_FALLBACK_ENABLEDfalseUpdate these values in
.env.local or your hosting provider, then restart the app and worker. Optional provider keys never appear on this page.