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SparkPost DKIM DNS TXT Record Lookup
x402
SparkPost DKIM DNS TXT Record Lookup is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-28).
Retrieves the DKIM TXT record published at the sparkpost._domainkey subdomain of a given hostname
Price / call$0.006
Success—
StatusUnknown
How this service works
Call when an agent needs TXT at sparkpost._domainkey.{hostname}. A different selector is a different DNS name. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/dns-txt-dkim-sparkpost first.
Output
Returns the raw DNS TXT record string found at sparkpost._domainkey.{hostname}, which typically contains a DKIM public key entry (e.g. v=DKIM1; k=rsa; p=...) used by SparkPost to authenticate outgoing email for that domain.
Example use cases
Verify SparkPost DKIM setup for domain
“Can you check if the SparkPost DKIM record is properly published for acme.com? I want to see what's at sparkpost._domainkey.acme.com in DNS.”
Debug email deliverability issue
“We're having email deliverability problems with SparkPost. Can you pull the DKIM TXT record at sparkpost._domainkey.mycompany.io so I can compare it to what we configured?”
Audit email authentication records
“I need to audit the SparkPost DKIM DNS record for newsletter.brandx.com — can you retrieve the TXT value at sparkpost._domainkey.newsletter.brandx.com?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/dns-txt-dkim-sparkpost?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to query the SparkPost DKIM selector (sparkpost._domainkey) for a domain. Choose this over generic DNS lookup tools when the SparkPost selector is the target — it abstracts the selector name and DNS query mechanics. For other DKIM selectors or other DNS record types, use a general DNS lookup service instead.
Side effects
- Hostname not found in DNS returns an NXDOMAIN or empty result
- Domain exists but no sparkpost._domainkey record published returns empty or null TXT
- Malformed hostname input may return a validation error
- Network or DNS resolver timeout may cause request failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| hostname | string | Public DNS hostname such as example.com. Not a URL, not an IP literal, and not a private name. |
Tags
x402
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