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MX Record Lookup Change Watch
x402
MX Record Lookup Change Watch is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Monitors MX record lookups for a domain on a schedule, returning the current result, whether it changed, which fields changed with before/after values, and when last seen.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for mx record lookup: runs the check and compares it with the result from your previous call for the same domain (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when mx record lookup changes. $0.01 per check.
Output
Returns the current MX record lookup result for the domain, a boolean indicating whether it changed since the previous call (retained for 90 days), an enumeration of exactly which fields changed with before and after values, and the timestamp of when the records were last seen.
Example use cases
Email migration change detection
“I'm migrating our company's email from our old provider to Google Workspace. Keep checking the MX records for mycompany.com and tell me the moment they change — show me what the old values were and what the new ones are.”
Phishing infrastructure monitoring
“I need to watch the MX records for suspected-phishing-domain.com every hour. Alert me if anything changes compared to the last check, including exactly which fields are different and when it was last seen.”
Customer domain onboarding verification
“Our customer just said they updated their MX records to point to our mail servers. Can you check the MX records for theircustomerdomain.com and compare against the previous snapshot to confirm the change actually went through?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/mx-lookupWhen to prefer
Use this endpoint when you need scheduled or event-driven monitoring of MX record changes for a domain, rather than just a one-off lookup. It is ideal for detecting email infrastructure migrations, unauthorized changes, or phishing domain activity over time, because it stores the previous result for 90 days and returns a structured diff of what changed. Prefer this over a plain MX lookup endpoint when you need change detection semantics built in.
Side effects
- Domain not found or does not resolve — returns an error or empty MX result
- No previous snapshot exists (first call) — 'changed' will be false or indeterminate with no before/after diff
- Domain parameter missing — request validation error
- DNS resolution timeout — lookup may fail transiently
- Payment not included or insufficient — x402 payment required error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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