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DKIM Selector sel2 Public Key Lookup
x402
DKIM Selector sel2 Public Key Lookup 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).
Looks up and parses the DKIM public key for the 'sel2' selector of a given domain via Cloudflare DNS-over-HTTPS, returning key type, length, testing flag, and revocation status.
Price / call$0.01
Success—
StatusUnknown
How this service works
DKIM public key for selector "sel2" of a domain: looks up sel2._domainkey.<domain> (TXT, Cloudflare DoH) and parses v=, k=, key type, public-key length, testing flag and whether the key is revoked (empty p=). Confirms that mail signed with the sel2 selector will verify. $0.01 per lookup.
Output
Returns parsed details from the sel2._domainkey.<domain> TXT record including: DKIM version (v=), key type (k=), RSA/EC key type label, public key bit length, whether the domain is in testing mode, and whether the key is revoked (empty p= field). Confirms whether mail signed with the sel2 selector will successfully verify.
Example use cases
Pre-send DKIM health check
“Before we launch our email campaign, check if the sel2 DKIM selector for ourbrand.com is properly set up and not revoked so our emails will pass authentication.”
Email deliverability debugging
“Our emails from newsletter.acme.io are landing in spam — can you look up the sel2 DKIM selector and tell me if the public key is valid, what key type is being used, and whether it's in testing mode?”
Security audit of DKIM keys
“I'm auditing our email security setup — please pull the sel2 DKIM record for companymail.net and tell me the key length, key type, and whether the key has been revoked or left empty.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/dkim/sel2?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to inspect the DKIM 'sel2' selector for a domain — particularly to validate email signing configuration, audit key strength, detect revoked keys, or confirm that sel2-signed mail will pass DKIM verification. Prefer this over generic DNS TXT lookups when you need structured DKIM field parsing (v=, k=, key length, testing flag, revocation status) without having to parse raw TXT records yourself.
Side effects
- Domain does not have a sel2._domainkey TXT record — returns not found or NXDOMAIN
- DKIM record exists but is malformed and cannot be parsed
- Cloudflare DoH is temporarily unreachable — upstream DNS failure
- Domain name input is invalid or missing — returns validation error
- Key is present but empty (p=) indicating revocation — flagged as revoked
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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