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DKIM Selector fm1 Change Watch
x402
DKIM Selector fm1 Change Watch is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-19).
Monitors the DKIM fm1 selector DNS record for a domain and returns whether it has changed since the last check, with before/after field diffs.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for dkim selector fm1: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Output
Returns the current DKIM fm1 selector record for the queried domain, a boolean 'changed' flag indicating if it differs from the last cached result (retained 90 days), a list of fields that changed each with before and after values, and the timestamp when the record was last seen.
Example use cases
Email deliverability regression alert
“Watch the DKIM fm1 selector for sendgrid.net and tell me immediately if anything changes — if that record gets altered it could break our email deliverability.”
Post-migration DKIM verification
“We just moved our DNS to a new provider. Check whether the DKIM fm1 selector for acme.com has changed from what it was before, and show me exactly what fields are different.”
Scheduled security audit polling
“Every day, check the DKIM fm1 selector for mybusiness.com and flag it if the record has changed since the previous check — I need a history of any unauthorized modifications.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/watch/dns/dkim/fm1?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes to a domain's DKIM fm1 selector over time rather than just retrieving the current record. It is purpose-built for polling/scheduling workflows where you want change detection with before/after diffs, using a 90-day comparison window. Prefer it over a plain DNS lookup when you need to be alerted to email authentication record modifications, config drift, or unauthorized changes.
Side effects
- Domain not found or has no DKIM fm1 selector record — returns empty or not-found result
- First-time call for a domain has no previous baseline — 'changed' will be false or undefined
- Domain input missing from query — request fails with validation error
- DNS resolution timeout or upstream failure — transient error returned
- Record unchanged since last check — changed=false with no diff fields
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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