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DNS A Record Change Watch via Cloudflare
x402
DNS A Record Change Watch via Cloudflare is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-01).
Monitors DNS A record changes for a domain via Cloudflare DNS and returns the current answer along with a changed flag and before/after diff since the last check.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for dns a via cloudflare: 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 DNS A record answer from Cloudflare, a boolean 'changed' flag indicating whether the result differs from the previous call for the same domain (stored up to 90 days), a list of fields that changed with before/after values, and a timestamp of when the record was last seen.
Example use cases
Detect unauthorized DNS hijacking
“Watch the A record for mybankingapp.com using Cloudflare and alert me immediately if the IP address has changed from what it was last time — I want to catch any DNS hijacking attempts.”
Confirm DNS propagation after migration
“I just moved mysite.com to a new server — check the A record via Cloudflare and tell me if it's changed from the previous value so I know the DNS has propagated.”
Monitor competitor domain for IP changes
“Poll the A record for competitor.com via Cloudflare and let me know if the IP has changed since the last check, including what it used to be and what it is now.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/watch/dns/a/via/cloudflare?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to detect changes in DNS A records specifically as resolved by Cloudflare (1.1.1.1), and you want a stateful diff against the previous result rather than just a raw lookup. It is ideal for scheduled monitoring workflows where you want to be alerted when an IP address changes, DNS hijacking detection, or verifying DNS propagation after a server migration. Prefer it over raw DNS lookup endpoints when change detection with before/after comparison is the goal.
Side effects
- Domain not found or NXDOMAIN — returns an error response code with no A records
- No previous result stored — first call returns current answer with changed=false or null baseline
- Cloudflare DNS unreachable — may return a timeout or upstream error
- Invalid domain input — returns a validation error
- Domain has no A records — returns empty record set with appropriate response code
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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