Get registration data for all Domain/IP/ASN at one place
Determin if the domain name you want has been registered


Your public IP address:

Domain format: com, .企业,,,; IP format:,; ASN format: 1902, AS1902, ASN1902
Whois: RFC3912, RDAP: RFC7480 - RFC7485
Data source:
Where is the domain information from. Cache time is no more than 5 days