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is-dns-hosted-by-dyn
x402
is-dns-hosted-by-dyn is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).
Checks whether a domain's DNS is hosted by Dyn by looking up its NS records via Cloudflare DoH and matching them against Dyn's known nameserver patterns
Price / call$0.01
Success—
StatusUnknown
How this service works
Is the domain's DNS hosted by dyn? Looks up the NS records (Cloudflare DoH) and matches them against dyn'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 Dyn, the full list of NS records retrieved via Cloudflare DoH, and a subset listing which nameservers matched Dyn's known patterns.
Example use cases
Sales prospecting for Dyn customers
“I'm building a prospect list of companies that use Dyn for DNS hosting — can you check if stripe.com is a Dyn customer and show me the nameservers?”
Pre-migration DNS vendor audit
“We're planning to migrate away from Dyn — can you confirm that shopify.com's DNS is currently hosted by Dyn so we know which records to move?”
Security vendor fingerprinting
“I'm doing infrastructure recon on target.com and need to know if their DNS is managed by Dyn — can you check their NS records and tell me if any match Dyn's nameserver patterns?”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/hosted-by/dyn?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, low-cost single-domain check to detect Dyn DNS hosting specifically, especially for sales lead qualification, pre-migration DNS vendor audits, or security infrastructure fingerprinting. Prefer this over generic NS lookup tools when you need the Dyn-pattern matching logic built in rather than doing manual nameserver analysis. For bulk checks across many domains, consider the sibling bulk endpoint instead.
Side effects
- Domain does not exist or has no NS records — returns no match with empty nameserver list
- Cloudflare DoH is temporarily unavailable — lookup fails with a connectivity error
- Invalid or malformed domain name input — returns an error indicating bad input
- Domain uses Dyn but with a non-standard nameserver pattern not in the detection list — may return false negative
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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