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DNS A Records Change Watch
x402
DNS A Records 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 DNS A record lookups for a domain on a schedule, detecting and reporting exactly what changed between the current and previous check.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for dns a records: 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 dns a record lookup changes. $0.01 per check.
Output
Returns the current DNS A record answer for the domain, a boolean indicating whether it changed since the last check, a structured diff showing exactly which fields changed with before and after values, and the timestamp of when the record was last seen. Previous results are retained for 90 days for comparison.
Example use cases
IP address change detection
“Monitor the DNS A records for mycompany.com and alert me if the IP address changes — show me the old and new values and when the change was first seen.”
CDN or hosting migration verification
“We just migrated api.example.com to a new host. Can you check the DNS A records now and compare them to the last recorded snapshot so I can confirm the new IP is live?”
Scheduled domain monitoring for SRE team
“Set up a recurring check on the DNS A records for shop.mybrand.com and report back any differences from the previous check, including exactly which fields changed and their before/after values.”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/watch/dns/aWhen to prefer
Choose this endpoint when you need to detect changes in DNS A records over time for a specific domain and want a built-in diff against the previous check without managing your own storage. It's ideal for scheduled monitoring workflows where you call it periodically and act only when the 'changed' flag is true. Prefer it over raw DNS lookup endpoints when you need the historical comparison and structured before/after diff automatically.
Side effects
- Domain not found or invalid — returns an error indicating the domain cannot be resolved
- No previous result stored (first call) — returns current data with changed=false or no diff
- Payment failure — x402 payment not accepted, request rejected
- Domain with no A records — returns empty answer set
- Rate limit or network timeout — temporary failure, retry advised
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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