spf-check

Fetch and validate a domain's SPF record (RFC 7208).

Fetch and validate a domain's SPF record (RFC 7208). Parses mechanisms (ip4/ip6/include/a/mx/all), counts DNS lookups against the famous 10-lookup limit, and flags the qualifier on `all` (-/fail, ~/softfail, ?/neutral). The first stop when an email is hitting the spam folder.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x77065d81…16744121

URL

https://agent402.tools/api/spf-check

MCP server on this host: io.github.MikeyPetrillo/agent402

Seen

first 29 days ago · last 13 hr ago

54 free handshakes

Payment

Pays through

x402 · MPP evm, tempo

Offered on?

algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo USDC.e

Listed on?

Polygon, Arbitrum, Avalanche, Base, Solana

Handshakescomputed 1 day ago

0.729 from 52 free handshakes over 30 days · UNRATED ?

How the composite of 0.729 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.27	0.000		0.000	−0.147	−0.053
liveness it answered at all	0.60	1.00	0.882		0.529	0	−0.071
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.729	gap to 1.000 = 0.271 · 0.147 short · 0.124 uncertain	0.729	−0.147	−0.124

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

BURN_INFREE_TIER_ONLY

Verify it yourselfnpx teppi-check https://agent402.tools/api/spf-checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD9BETQ35PCMJNZ8QDN75V