IP2WHOIS is a free WHOIS Lookup (Domain lookup) tool that helps user to check WHOIS information for a particular domain, such as domain assigned owner contact information, registrar information, registrant information, location and much more.
Domain WHOIS Checker
Get
$ curl "https://api.ip2whois.com/v2?key={YOUR_API_KEY}&domain=uchicago.edu"Response
{
"domain": "uchicago.edu",
"domain_id": "",
"status": "registered",
"create_date": "1991-11-22T00:00:00+00:00",
"update_date": "2025-04-02T00:00:00+00:00",
"expire_date": "2027-07-31T00:00:00+00:00",
"domain_age": 12283,
"whois_server": "",
"registrar": {
"iana_id": "",
"name": "",
"url": ""
},
"registrant": {
"name": "",
"organization": "University of Chicago",
"street_address": "IT Services - Networking 1155 E. 60th Street",
"city": "Chicago",
"region": "IL",
"zip_code": "60637",
"country": "USA",
"phone": "",
"fax": "",
"email": ""
},
"admin": {
"name": "Domain Admin University of Chicago IT Services - Networking",
"organization": "",
"street_address": "1155 E. 60th Street",
"city": "Chicago",
"region": "IL",
"zip_code": "60637-2745",
"country": "USA",
"phone": "+1.7737027626",
"fax": "",
"email": "domainadmin@uchicago.edu"
},
"tech": {
"name": "Domain Admin University of Chicago IT Service - Networking",
"organization": "",
"street_address": "1155 E. 60th Street",
"city": "Chicago",
"region": "IL",
"zip_code": "60637-2745",
"country": "USA",
"phone": "+1.7737027626",
"fax": "",
"email": "domainadmin@uchicago.edu"
},
"billing": {
"name": "",
"organization": "",
"street_address": "",
"city": "",
"region": "",
"zip_code": "",
"country": "",
"phone": "",
"fax": "",
"email": ""
},
"nameservers": []
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Domain WHOIS API
IP2WHOIS provide a free Domain WHOIS API allowing user to check detailed WHOIS information for any domain name. Please visit the API documentation page for more details.
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IP2WHOIS Domain Name Lookup - Check WHOIS Information
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