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is-dns-hosted-by-ultradns-bulk
x402
is-dns-hosted-by-ultradns-bulk is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-18).
Checks up to 20 domains in one call to determine whether each is DNS-hosted by UltraDNS, returning results in input order with per-item error fields and a failure count.
Price / call$0.1
Success—
StatusUnknown
How this service works
Bulk is dns hosted by ultradns: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.
Output
An ordered array of per-domain results matching the input order, each containing the UltraDNS hosting verdict (same as the single-domain endpoint), a per-item error field if the lookup failed, and an overall failure count for the batch.
Example use cases
DNS provider audit across domain portfolio
“I have a list of 15 client domains and need to know which ones are currently using UltraDNS as their DNS host — can you run them all through the UltraDNS check at once and give me a breakdown?”
Vendor migration impact assessment
“Before we migrate DNS, I need to confirm which of these 20 domains are actually on UltraDNS right now — check them all in one go and flag any that errored out.”
Security intelligence enrichment for domain list
“I've got a batch of 12 domains from our threat feed and want to know if any of them are DNS-hosted by UltraDNS — run the bulk check and tell me the results with a failure count.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/bulk/dns/hosted-by/ultradns?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you have 2–20 domains to check simultaneously for UltraDNS hosting, avoiding the overhead of multiple sequential single-domain calls. Ideal for portfolio audits, migration planning, or threat-intelligence enrichment workflows where a list of domains is already available. Use the single-domain endpoint instead when you only need to check one domain at a time.
Side effects
- Batch exceeds 20 domains — request rejected or truncated
- Individual domain lookup fails — captured in per-item error field and counted in failure total
- Invalid domain format in input — per-item error returned
- Network or upstream DNS resolution failure for one or more items — reflected in per-item errors
- Empty input list — likely returns empty results or validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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