WHOIS / RDAP Lookup
Look up domain registration details using RDAP with registrar, status, and nameserver information.
Lookups run from the PacketWizard server using RDAP registries. Only public registration data is displayed.
What is WHOIS / RDAP Lookup?
WHOIS/RDAP lookups return registration and allocation data for domains and IP resources — registrar, registrant contacts (when published), nameservers, and network owner details.
How it works
PacketWizard prefers RDAP (the modern successor to legacy WHOIS) and presents normalized registration fields for investigation and ownership checks.
Common issues
Redacted contact fields
Privacy services and GDPR-era redaction hide many registrant details. Focus on registrar, nameservers, and dates when contacts are unavailable.
Domain vs IP confusion
Domain RDAP and IP/ASN RDAP answer different questions. Use the matching tool path for hostnames versus addresses.
Frequently asked questions
What is RDAP?
RDAP is the Registration Data Access Protocol — a structured, authenticated-capable replacement for classic WHOIS text responses.
When should I use WHOIS/RDAP?
Use it to confirm ownership, registrar, expiration, and nameserver delegation while investigating phishing, misdirected mail, or unexpected infrastructure.
Related tools
Continue with these related PacketWizard tools for adjacent diagnostics.