mail-preflight

MX/SPF/DMARC preflight; not mailbox verification.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.002 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xf9c2a725…81cf61ba

URL

https://http--forest-gas-station--lcjl27p8lmjs.code.run/domain/mail-preflight

Seen

first 6 days ago · last 16 hr ago

10 free handshakes

Payment

Pays through

x402

Offered on?

Base Sepolia USDC

Listed on?

Base Sepolia

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.430 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.570: 0.409 uncertain ? + 0.160 short ? · 0.020 to D

How the composite of 0.430 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.318		0.191	0	−0.409
latency p95 it answered as fast as its class	0.20	0.20	0.198		0.040	−0.160	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.430	gap to 1.000 = 0.570 · 0.160 short · 0.409 uncertain	0.430	−0.160	−0.409

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

The multiplication, written out

  0.600 × 0.318   liveness       
+ 0.200 × 0.198   latency p95    
+ 0.200 × 1.000   price stability
= 0.430           → UNRATED: 9 of 30 paid calls      weights 2026.09.6 · 9 samples · seed cap_01M3K8N5S9XSKMZGQ9T5GW85T2|2026-09-03T13:51:07.280Z|2026.09.6

Verify it yourselfnpx teppi-check https://http--forest-gas-station--lcjl27p8lmjs.code.run/domain/mail-preflightcurl -s https://api.teppi.xyz/v1/trust/cap_01M3K8N5S9XSKMZGQ9T5GW85T2