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=6.cool"Response
{
"domain": "6.cool",
"domain_id": "ffdce8d1c7e94032a1cb94aa6b26d3f7-DONUTS",
"status": "active",
"create_date": "2015-07-01T19:26:12.853Z",
"update_date": "2025-06-10T09:15:12.744Z",
"expire_date": "2026-07-01T19:26:12.853Z",
"domain_age": 3664,
"whois_server": "",
"registrar": {
"iana_id": "1556",
"name": "Chengdu West Dimension Digital Technology Co., Ltd.",
"url": ""
},
"registrant": {
"name": "",
"organization": "",
"street_address": "",
"city": "",
"region": "",
"zip_code": "",
"country": "",
"phone": "",
"fax": "",
"email": ""
},
"admin": {
"name": "",
"organization": "",
"street_address": "",
"city": "",
"region": "",
"zip_code": "",
"country": "",
"phone": "",
"fax": "",
"email": ""
},
"tech": {
"name": "",
"organization": "",
"street_address": "",
"city": "",
"region": "",
"zip_code": "",
"country": "",
"phone": "",
"fax": "",
"email": ""
},
"billing": {
"name": "",
"organization": "",
"street_address": "",
"city": "",
"region": "",
"zip_code": "",
"country": "",
"phone": "",
"fax": "",
"email": ""
},
"nameservers": [
"ns2.dan.com",
"ns1.dan.com"
]
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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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