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DKIM Selector DNS Lookup
x402
DKIM Selector DNS Lookup is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Looks up a specified DKIM selector record under _domainkey in DNS for a given domain, returning the raw DNS data.
Price / call$0.01
Success—
StatusUnknown
How this service works
DKIM selector lookup for IT administration: Look up a supplied DKIM selector under _domainkey. DNS data only; does not send email or verify that an inbox exists.
Output
Returns the raw DNS TXT record data found at the DKIM selector's _domainkey subdomain (e.g. mail._domainkey.example.com), including the public key, version tag, and any policy flags. Returns nothing or an error if the record does not exist.
Example use cases
Verify DKIM setup before email migration
“We're migrating our email to a new provider and I need to confirm the DKIM selector 'mail' is correctly published in DNS for our domain contoso.com — can you pull that record?”
Audit vendor domain email authentication
“I'm screening a third-party vendor and want to check whether their domain vendors-r-us.com has a valid DKIM record for the selector 'default' — can you look that up for me?”
Troubleshoot DKIM failures for IT team
“Our DKIM is failing for outbound emails from techcorp.io — can you look up the 'smtp' selector under _domainkey to see what DNS record is currently published?”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/demand-domain-dkim-selector-check-it-administration?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, cheap DNS-level lookup of a specific DKIM selector for a domain — particularly for IT administration tasks, vendor screening, or email security audits. It is not a full email deliverability test and does not send email or check inbox existence; prefer it when you only need raw DKIM DNS data for a known selector and domain.
Side effects
- Domain does not exist in DNS — NXDOMAIN response
- Selector not found under _domainkey — empty or missing TXT record
- Malformed domain input causes DNS query failure
- DNS timeout or resolver unavailability
- Selector string contains invalid characters
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Public DNS domain, e.g. example.com. |
| selector | string |
Tags
x402
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