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Whois Lookup
Whois Lookup
Fetch WHOIS (RDAP) data for domains and IP ranges. Useful for ownership, registrar, and network range verification.
Open the tool
Open Whois Lookup →Inputs
- Domain name (example.com)
- IPv4 / IPv6 address (8.8.8.8)
- IP range in CIDR notation (8.8.8.0/24)
Outputs
- Registrar / registrant details (when available)
- Status, nameservers, and key event dates
- Network range metadata for IP lookups
Note: results depend on registry data and may vary by TLD or IP registry.
API example
You can query the API route directly:
curl -s "https://syskit.ai/api/whois?q=example.com" | jq
Endpoint: /api/whois?q=...