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=2.co.nz"Response
{
"domain": "2.co.nz",
"domain_id": "",
"status": "ok https:\/\/icann.org\/epp#ok",
"create_date": "2020-08-17T12:34:00Z",
"update_date": "2025-07-06T21:30:34Z",
"expire_date": "",
"domain_age": 1794,
"whois_server": "",
"registrar": {
"iana_id": "",
"name": "Voyager Internet Ltd T\/A 1st Domains",
"url": "www.1stdomains.nz"
},
"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": [
"ns1.1stdomains.net.nz",
"ns2.1stdomains.net.nz"
]
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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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