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UltraDNS Hosting Detection
x402
UltraDNS Hosting Detection is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).
Checks whether a domain's DNS is hosted by UltraDNS by looking up its NS records via Cloudflare DoH and matching them against UltraDNS nameserver patterns, returning a yes/no result with matched nameservers.
Price / call$0.01
Success—
StatusUnknown
How this service works
Is the domain's DNS hosted by ultradns? Looks up the NS records (Cloudflare DoH) and matches them against ultradns's nameserver patterns, returning yes/no, the nameservers and which ones matched. Vendor detection for sales, migration and security work. $0.01 per lookup.
Output
Returns a yes/no boolean indicating whether the domain's DNS is hosted by UltraDNS, the full list of NS records found via Cloudflare DoH, and a subset showing which specific nameservers matched UltraDNS patterns.
Example use cases
Sales prospecting for UltraDNS customers
“I'm building a list of companies that use UltraDNS for their DNS — can you check whether acmecorp.com is hosted by UltraDNS and show me the nameservers?”
Pre-migration DNS vendor audit
“Before we migrate globalbank.com to Cloudflare, can you confirm whether it's currently hosted on UltraDNS and tell me which nameservers matched?”
Security vendor fingerprinting
“I'm doing a security assessment and need to know if targetorg.com is running UltraDNS as its DNS provider — please check the NS records and flag any UltraDNS matches.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/hosted-by/ultradns?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to definitively identify whether a specific domain is DNS-hosted by UltraDNS, especially for sales intelligence, vendor migration planning, or security fingerprinting workflows. It is faster and cheaper than manual NS lookups and normalizes the pattern matching logic for UltraDNS nameserver variants.
Side effects
- Domain does not exist or has no NS records — returns no match with empty nameserver list
- Cloudflare DoH lookup timeout or unavailability — request may fail or return error
- Invalid domain format provided — may return validation error
- Domain uses UltraDNS-like nameserver naming not in pattern set — false negative possible
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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