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SRV DNS Service Discovery for DNS-UDP
x402
SRV DNS Service Discovery for DNS-UDP is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-18).
Looks up _dns._udp SRV records for a domain via Cloudflare DoH, returning the priority, weight, port, and target host of the domain's DNS service.
Price / call$0.01
Success—
StatusUnknown
How this service works
DNS service discovery (_dns._udp.<domain>): SRV records with priority, weight, port and target host, from Cloudflare DoH. Tells a client where the domain's dns service lives without guessing hosts. $0.01 per lookup.
Output
Returns SRV record data for the _dns._udp service under the queried domain, including: priority, weight, port number, and target hostname, along with the TTL and DNS response code, as resolved by Cloudflare DoH.
Example use cases
Locate domain's DNS service endpoint
“Can you find out where the DNS service lives for cloudflare.com? I need the SRV record details — host, port, priority, and weight from the _dns._udp lookup.”
Validate DNS service configuration
“Check the _dns._udp SRV records for mycompany.net — I want to confirm the DNS service is pointing to the right host and port before we do a migration.”
Infrastructure audit of DNS service discovery
“Pull the SRV service discovery records for _dns._udp on openai.com so I can document what DNS server target and port are advertised publicly.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/srv/dns-udp?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically discover where a domain's DNS service is hosted via the standardized _dns._udp SRV record mechanism, particularly when you do not want to guess hostnames. Prefer this over generic DNS A/AAAA lookups when the goal is service discovery (host + port + priority + weight) for a domain's DNS infrastructure, and when Cloudflare DoH is an acceptable resolver.
Side effects
- Domain has no _dns._udp SRV records — returns empty answer set or NXDOMAIN
- Invalid or malformed domain name input — request may fail or return an error response
- Domain exists but SRV record type is not published — NOERROR with empty answer
- Cloudflare DoH upstream timeout or failure — service may return error or no data
- Missing required input parameters — request rejected before DNS resolution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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