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DNS Lookup (A, MX, TXT, SPF, DMARC, Mail Provider)
x402
DNS Lookup (A, MX, TXT, SPF, DMARC, Mail Provider) is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Performs a comprehensive DNS lookup for a domain, returning A records, MX records with priority, TXT records, inferred mail provider, and SPF/DMARC presence in a single JSON call.
Price / call$0.01
Success—
StatusUnknown
How this service works
DNS lookup for any domain in one call: A records (IPv4), MX records with priority, all TXT records, the inferred mail provider, and whether SPF and DMARC records exist. Fast DNS-over-HTTPS resolution, JSON output, no API key. Useful for domain research, email routing checks and infrastructure discovery. $0.01 per lookup.
Output
A JSON object containing: IPv4 A records, MX records each with their priority value, all TXT records, the inferred mail provider (e.g. Google Workspace, Microsoft 365), and boolean flags indicating whether SPF and DMARC records are present.
Example use cases
Email routing investigation for domain
“Look up the DNS records for acmecorp.com — I want to know who handles their email (MX records and mail provider) and what their MX priorities are.”
SPF and DMARC compliance audit
“Check whether hubspot.com has SPF and DMARC records configured, and pull all their TXT records so I can review their email security posture.”
Domain infrastructure discovery
“Run a DNS lookup on shopify.com and give me the IPv4 A records, MX records, and any TXT records so I can understand their DNS setup.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/dnsWhen to prefer
Choose this endpoint when you need a comprehensive, multi-record-type DNS snapshot of a domain in a single call — especially when you need A records, MX records, TXT records, mail provider inference, and SPF/DMARC presence all at once without making multiple separate DNS queries. It is ideal for domain research workflows, email deliverability audits, and infrastructure discovery tasks. Prefer it over the sibling spf-dmarc-check endpoint when you also need A and MX record data beyond just email security records.
Side effects
- Invalid or non-existent domain returns empty record sets or an error response
- Domains with no MX records return empty MX array and null mail provider
- Propagation delays may cause incomplete results for recently changed DNS
- Rate limiting or payment failure returns 402 or 429 status
- Timeouts on DNS-over-HTTPS resolution for slow authoritative nameservers
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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