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

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Get
$ curl "https://api.ip2whois.com/v2?key={YOUR_API_KEY}&domain=unifans.io"
Response
{
    "domain": "unifans.io",
    "domain_id": "87469ee312f44a7a885bd2fd667fcd8a-DONUTS",
    "status": "clientTransferProhibited https:\/\/icann.org\/epp#clientTransferProhibited",
    "create_date": "2022-11-09T18:50:01Z",
    "update_date": "2025-04-27T02:33:25Z",
    "expire_date": "2026-11-09T18:50:01Z",
    "domain_age": 983,
    "whois_server": "http:\/\/whois.cloudflare.com",
    "registrar": {
        "iana_id": "1910",
        "name": "Cloudflare, Inc",
        "url": "http:\/\/cloudflare.com"
    },
    "registrant": {
        "name": "REDACTED",
        "organization": "1000353701 ONTARIO INC.",
        "street_address": "REDACTED",
        "city": "REDACTED",
        "region": "ON",
        "zip_code": "REDACTED",
        "country": "CA",
        "phone": "REDACTED",
        "fax": "REDACTED",
        "email": "REDACTED"
    },
    "admin": {
        "name": "REDACTED",
        "organization": "REDACTED",
        "street_address": "REDACTED",
        "city": "REDACTED",
        "region": "REDACTED",
        "zip_code": "REDACTED",
        "country": "REDACTED",
        "phone": "REDACTED",
        "fax": "REDACTED",
        "email": "REDACTED"
    },
    "tech": {
        "name": "REDACTED",
        "organization": "REDACTED",
        "street_address": "REDACTED",
        "city": "REDACTED",
        "region": "REDACTED",
        "zip_code": "REDACTED",
        "country": "REDACTED",
        "phone": "REDACTED",
        "fax": "REDACTED",
        "email": "REDACTED"
    },
    "billing": {
        "name": "",
        "organization": "",
        "street_address": "",
        "city": "",
        "region": "",
        "zip_code": "",
        "country": "",
        "phone": "",
        "fax": "",
        "email": ""
    },
    "nameservers": [
        "grace.ns.cloudflare.com",
        "rodrigo.ns.cloudflare.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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