Domain WHOIS and DNS Lookup

Use this endpoint when you need both WHOIS registration metadata and full DNS records in a single call, rather than querying separate WHOIS and DNS resolver services independently. Ideal for domain research, due diligence, email deliverability checks, or verifying domain ownership and configuration.

• Domain not found or unregistered — returns empty or not-found response
• Invalid domain format — returns 400 or validation error
• DNS lookup timeout for slow or unreachable nameservers — may return partial results
• Payment not received — returns 402 Payment Required
• Rate limiting — returns 429 Too Many Requests