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dns-aaaa-sip-subdomain
x402
dns-aaaa-sip-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 sip 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 sip.<domain>: looks up the sip 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 sip without enumerating subdomains. $0.01 per lookup.
Output
Returns whether the AAAA record for sip.<domain> exists, the resolved IPv6 address records, the TTL value, and the DNS response code (e.g. NOERROR or NXDOMAIN). Answered via Cloudflare DNS over HTTPS.
Example use cases
VoIP infrastructure DNS verification
“Check whether sip.acme-corp.com has an AAAA record — I want to know if their SIP server is reachable over IPv6 and what TTL it's set to.”
SIP migration readiness check
“We're migrating our phone system to IPv6. Can you check if sip.mycompany.io has an AAAA DNS record configured yet?”
Third-party SIP provider audit
“I'm auditing our VoIP vendor setup — does sip.voipprovider.net have a valid AAAA record in DNS, and if so what are the records?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/host/sip/aaaa?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to check the IPv6 (AAAA) DNS record for the sip subdomain of a domain — such as verifying VoIP/SIP server IPv6 reachability, auditing telephony infrastructure DNS, or confirming SIP over IPv6 readiness. Prefer this over generic DNS tools when you want a fast, focused existence check for the sip host without broader subdomain enumeration.
Side effects
- Domain has no sip subdomain (NXDOMAIN returned, record does not exist)
- Domain is invalid or malformed input
- Cloudflare DoH upstream timeout or unreachable
- Domain exists but sip subdomain has no AAAA record (only A records exist)
- Rate limiting or payment failure ($0.01 per lookup)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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