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dns-aaaa-mx1-subdomain
x402
dns-aaaa-mx1-subdomain is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).
Looks up the AAAA (IPv6) DNS record for the mx1 subdomain of a given domain via Cloudflare DoH and reports existence, records, and TTL.
Price / call$0.01
Success—
StatusUnknown
How this service works
AAAA record of mx1.<domain>: looks up the mx1 host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx1 without enumerating subdomains. $0.01 per lookup.
Output
Returns whether the mx1.<domain> AAAA record exists, any IPv6 addresses found, and the TTL of the record, as resolved via Cloudflare DNS over HTTPS.
Example use cases
Email server IPv6 readiness check
“Does mx1.acmecorp.com have an IPv6 address? Look up its AAAA record so I can tell if their primary mail server supports IPv6.”
Mail infrastructure audit for a domain
“I'm auditing the mail setup for fastshipping.io — can you check whether the mx1 host has a valid AAAA record and what TTL it has?”
Verify MX host existence before outreach
“Before I send email to contacts at techstartup.com, can you confirm that mx1.techstartup.com actually exists in DNS as an IPv6 AAAA record?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/host/mx1/aaaa?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to check whether the mx1 host of a domain has an IPv6 (AAAA) DNS record, such as auditing mail server IPv6 support or verifying existence of a common MX hostname without broad subdomain enumeration. Prefer this over general DNS tools when you want a targeted, low-cost single-host check via Cloudflare DoH.
Side effects
- Domain does not exist or is not resolvable — returns no records found
- mx1 subdomain not present — empty result with existence flag false
- Cloudflare DoH upstream timeout or error — service may return an error response
- Invalid domain format supplied — request may fail or return empty
- NXDOMAIN response when neither domain nor mx1 subdomain is registered
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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