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DNS Doctor Bulk Domain Registration Check
x402
DNS Doctor Bulk Domain Registration Check is a paid API for AI agents from dnsdoctor.dev, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-29).
Bulk-registers 2–50 domains in a single API call and returns their registration/resolution status
Price / call$0.004
Success—
StatusUnknown
How this service works
Scan, fix and verify your domain's DNS: SPF, DMARC and DKIM, global propagation, DNS health and expiry. Deterministic copy-paste fixes, never an AI guess.
Output
A JSON array of results with one entry per domain, each containing the domain name and its registration status (e.g. 'registered'), plus summary counts of how many domains were requested and how many were successfully resolved.
Example use cases
Domain portfolio registration audit
“I have a list of 10 domains I manage — example.com, mybrand.net, mybrand.io, mybrand.co, mybrand.org, testsite.com, testsite.net, testsite.io, testsite.co, testsite.dev — can you check which ones are currently registered?”
Competitor domain squatting check
“Check whether these competitor brand domains are registered: rivalcorp.com, rivalcorp.net, rivalcorp.io, rivalcorp.co — I want to know which ones they've already locked up.”
Pre-launch domain availability sweep
“Before we pick a name for our startup, can you check if any of these are still available: launchpad.io, launchpad.co, launchpad.dev, launchpad.app, launchpad.net, launchpadapp.com — tell me which ones are already registered.”
Technical details
Endpoint
POSThttps://dnsdoctor.dev/api/v1/bulk-registration?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to check registration status for multiple domains (2–50) simultaneously rather than one at a time. It is purpose-built for bulk domain audits, portfolio checks, and pre-launch name sweeps where individual lookups would be inefficient. Prefer this over single-domain lookup endpoints when you have a list to process in one shot.
Side effects
- Fewer than 2 domains provided — request rejected due to minItems constraint
- More than 50 domains provided — request rejected due to maxItems constraint
- Invalid domain string format in the array — may cause resolution failures for affected entries
- Network timeout during bulk resolution — partial results or error response
- Payment failure (x402) — call not executed if USDC payment not processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domains | array |
Output
Schema · Response
{
"type": "json",
"example": {
"results": [
{
"domain": "example.com",
"status": "registered"
}
],
"domains_resolved": 2,
"domains_requested": 2
}
}Tags
x402
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