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dns-txt-via-dnssb
x402
dns-txt-via-dnssb is a paid API for AI agents from dns.intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).
Fetches DNS TXT records for a domain using DNS.SB as the DNS-over-HTTPS resolver, returning records, TTL, response code, DNSSEC validation status, and answer time.
Price / call$0.01
Success—
StatusUnknown
How this service works
TXT records for a domain as answered by DNS.SB (DNS over HTTPS): the records, TTL, response code (NOERROR/NXDOMAIN/SERVFAIL), whether the resolver validated DNSSEC, and the resolver's answer time. Compare resolvers to spot propagation lag, filtering or split-horizon answers. $0.01 per lookup.
Output
Returns the TXT record set for the queried domain as seen by DNS.SB, including: the record data strings, TTL value, DNS response code (NOERROR, NXDOMAIN, or SERVFAIL), a flag indicating whether the resolver performed DNSSEC validation, and the resolver's answer latency in milliseconds.
Example use cases
SPF record propagation check
“Has my new SPF record for mycompany.com propagated to DNS.SB yet? Show me what TXT records DNS.SB sees right now along with the TTL and response code.”
DKIM record verification via DNS.SB
“Check whether DNS.SB can see the DKIM TXT record I just added to mail._domainkey.acmecorp.com — I need to know the record value, TTL, and if DNSSEC validated.”
Resolver comparison for split-horizon diagnosis
“I'm debugging a split-horizon DNS issue — what does DNS.SB return for the TXT records on internal.example.org? I want to compare it against other resolvers.”
Technical details
Endpoint
GEThttps://dns.intel.rallylive.ca/dns/txt/via/dnssb?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you specifically need to see what DNS.SB returns for TXT records — useful for multi-resolver comparison to detect propagation lag, filtering differences, or split-horizon behavior. Prefer it over other resolver endpoints when DNS.SB is your reference resolver or when you want its DNSSEC validation result and answer time specifically.
Side effects
- Domain does not exist — returns NXDOMAIN response code with empty record set
- Resolver fails to answer — returns SERVFAIL response code
- No TXT records exist for the domain — returns NOERROR with empty answer section
- Payment not provided or invalid — request rejected before lookup
- Network timeout reaching DNS.SB resolver — possible SERVFAIL or no response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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