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DNS TXT via DNS.SB Change Watch
x402
DNS TXT via DNS.SB 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 2026-10-21).
Monitors DNS TXT records for a domain via DNS.SB and returns a change comparison against the previous check, including changed flag, before/after diffs, and last-seen timestamp.
Price / call$0.02
Success—
StatusUnknown
How this service works
Change watch for dns txt via dnssb: 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 TXT record answer for the domain as resolved by DNS.SB, a boolean 'changed' flag indicating whether the result differs from the previous check (stored up to 90 days), a list of fields that changed with before/after values, and the timestamp of when the record was last seen.
Example use cases
SPF record tampering alert
“Watch the TXT records for mycompany.com via DNS.SB and alert me if the SPF record changes — I want to know exactly what it looked like before and after.”
Domain verification token detection
“Check if any new TXT records have been added to acmecorp.com since the last check — things like Google site verification or domain ownership tokens.”
Scheduled DNS TXT drift monitoring
“Periodically check the TXT records for clientdomain.net through DNS.SB and tell me every time something changes, including the before and after values.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/watch/dns/txt/via/dnssb?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need change detection specifically for DNS TXT records resolved via the DNS.SB resolver, rather than a raw lookup. It is ideal for scheduled monitoring pipelines where you want to be alerted on changes (SPF, DKIM, domain verification tokens, DMARC, etc.) with before/after diffs, without maintaining your own state — the service stores the last result for 90 days.
Side effects
- Domain not found or NXDOMAIN — no records returned
- First call for a domain has no previous snapshot to compare against, so changed=false by default
- DNS.SB resolver unavailable or returning SERVFAIL
- Domain has no TXT records — empty result set returned
- Previous result expired (older than 90 days) — treated as a first call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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