email-auth

Check a public domain's email authentication and anti-spoofing posture using MX, SPF, DMARC, caller-selected DKIM, MTA-STS, TLS-RPT, and BIMI DNS evidence.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.005 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xa0bfa4f0…ca24869b

URL

https://apiacre.com/v1/web/email-auth

MCP server on this host: com.apiacre/api-acre

Seen

first 34 days ago · last 4 days ago

64 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.820 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.180: 0.080 uncertain ? + 0.101 short ? · 0.080 to A

How the composite of 0.820 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	0.50	0.428		0.086	−0.101	−0.014
liveness it answered at all	0.60	1.00	0.890		0.534	0	−0.066
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.820	gap to 1.000 = 0.180 · 0.101 short · 0.080 uncertain	0.820	−0.101	−0.080

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

The multiplication, written out

  0.200 × 0.428   latency p95    
+ 0.600 × 0.890   liveness       
+ 0.200 × 1.000   price stability
= 0.820           → UNRATED: 56 of 30 paid calls      weights 2026.09.6 · 56 samples · seed cap_01M1A59WRXREXXYDTDPAVWEJSV|2026-09-03T19:37:39.367Z|2026.09.6

Verify it yourselfnpx teppi-check https://apiacre.com/v1/web/email-authcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59WRXREXXYDTDPAVWEJSV