WhoisXML
Last-known WHOIS, reverse WHOIS, and reverse IP from Domain Research Suite.
WhoisXML Domain Research Suite returns the latest defined WHOIS fields (including values that are redacted on the live record), a history archive count, reverse WHOIS by email or registrant name, and domains hosted on an IP.
Capabilities
- Domain Info last-known WHOIS with redacted-now flags
- WHOIS history record count without a 50-credit full dump
- Reverse WHOIS by email or registrant name
- Reverse IP: domains hosted on an IPv4 address
What you get back
- WHOIS card with last-known contacts and “now redacted” badges
- Nameservers from Domain Info
- History archive count
- Reverse WHOIS and reverse-IP domain lists
UI workflow
Open SearchIn and choose Domain, Email, Name, or IP.
Select WhoisXML as the provider.
Review last-known WHOIS fields, history count, or the related domain list.
Sample queries
| Input type | Query | Notes |
|---|---|---|
domain | example.com | Last-known WHOIS + history count |
email | [email protected] | Domains tied to an email |
name | Alex Rivera | Domains tied to a registrant name |
ip | 203.0.113.10 | Domains hosted on an IP |
Pricing
email $0.40 · domain $0.60 · name $0.40 · ip $0.50
Best for
- Recovering contacts that are redacted on live WHOIS
- Mapping an email or name to a domain portfolio
- Finding other hosts on the same IP
API example
$0.40 per query. Live runs charge the active workspace wallet — the same rates as the dashboard.
Domains
2
Reverse WHOIS hits
Returned
2
Capped first page
Lookup
Reverse WHOIS
Domain Research Suite
curl -X POST "https://apiv1.osintverse.com/v1/search" \ -H "Content-Type: application/json" \ -H "x-api-key: ov_your_api_key" \ -d '{"provider":"whoisxml","input_type":"email","query":"[email protected]"}'Invalid provider + input_type pairs return HTTP 422. Confirm combinations with GET /v1/providers or the pricing matrix.
Run this in the SearchIn UI or create an API key. Full HTTP reference: search workflow. Marketing overview: WhoisXML integration.