# dns-naptr-via-dnssb

> dns-naptr-via-dnssb is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).

Fetches NAPTR DNS records for a domain using DNS.SB as the DNS-over-HTTPS resolver, returning records, TTL, response code, DNSSEC validation status, and answer time.

## Facts

- Endpoint: GET https://dns.intel.rallylive.ca/dns/naptr/via/dnssb?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/dns-naptr-via-dnssb-22c994d9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ir-LLAMicQjqjt1lSRxyB

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability dns-naptr-via-dnssb-22c994d9
```

Example prompt: What NAPTR records does DNS.SB return for example.com, and did the resolver validate DNSSEC?

## When to prefer this

Use this endpoint when you specifically need NAPTR records resolved via DNS.SB and want to compare its answers against other resolvers for propagation lag, DNSSEC validation coverage, or potential filtering differences. Prefer this over generic DNS lookups when NAPTR records (used for VoIP, ENUM, and URI routing) are the target and DNS.SB's resolution behavior is of interest.

## Known failure modes

- Domain does not exist — returns NXDOMAIN response code with no records
- DNS.SB resolver fails — returns SERVFAIL response code
- Domain has no NAPTR records — returns NOERROR with empty answer section
- Network timeout reaching DNS.SB resolver — request may fail or return error
- Invalid domain input — may cause malformed query or error response

## How this service works

NAPTR records for a domain as answered by DNS.SB (DNS over HTTPS): the records, TTL, response code (NOERROR/NXDOMAIN/SERVFAIL), whether the resolver validated DNSSEC, and the resolver's answer time. Compare resolvers to spot propagation lag, filtering or split-horizon answers. $0.01 per lookup.

## Output

Returns NAPTR resource records for the queried domain as answered by DNS.SB over HTTPS, including the record data (order, preference, flags, service, regex, replacement), TTL, the DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), whether DNSSEC was validated by the resolver, and the resolver's answer latency in milliseconds.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/dns-naptr-via-dnssb-22c994d9/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from dns.intel.rallylive.ca](https://www.zero.xyz/host/dns.intel.rallylive.ca/llms.txt)