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DNS CNAME Lookup for sip Subdomain
x402
DNS CNAME Lookup for 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 CNAME record for the sip.<domain> subdomain via Cloudflare DNS-over-HTTPS and returns whether it exists, its records, and TTL.
Price / call$0.01
Success—
StatusUnknown
How this service works
CNAME record of sip.<domain>: looks up the sip host under the domain you give (CNAME 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 sip.<domain> CNAME record exists, the CNAME target it resolves to, the TTL value, and the DNS response code — all answered via Cloudflare DNS-over-HTTPS.
Example use cases
Verify SIP infrastructure before VoIP setup
“Check whether sip.acmecorp.com has a CNAME record — I need to confirm the SIP subdomain is configured before we set up VoIP calling for them.”
Audit domain DNS for SIP presence
“Does the domain mycompany.io have a sip subdomain CNAME set up? I'm auditing our DNS to make sure our SIP telephony host is properly pointed.”
Troubleshoot missing SIP connectivity
“We're having SIP connection issues — can you look up the CNAME record for sip.telecompartner.net and tell me if it exists and what TTL it has?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/host/sip/cname?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, targeted check on whether the sip subdomain of a specific domain has a CNAME record configured — without needing to enumerate all subdomains or query multiple DNS record types. Ideal for VoIP/SIP infrastructure validation, DNS auditing, or pre-deployment checks for SIP services.
Side effects
- Domain not found or no CNAME record at sip.<domain> returns a NXDOMAIN or empty response
- Malformed domain input may result in an error or unexpected DNS response
- Cloudflare DoH upstream unavailability could cause lookup failures
- Rate limits or payment failures may prevent access
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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