Endpoint · computePOSTmailcheck.netzhandwerker.de/email

DNS and list based verification.

DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is "unknown", not "valid".

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?

0x2880edff…771c4e5e

URL

https://mailcheck.netzhandwerker.de/email

Seen

first 34 days ago · last 10 hr ago

48 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.514 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.486: 0.207 uncertain ? + 0.279 short ? · 0.136 to C

How the composite of 0.514 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.87	0.524		0.314	−0.079	−0.207
latency p95 it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.514	gap to 1.000 = 0.486 · 0.279 short · 0.207 uncertain	0.514	−0.279	−0.207

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

The multiplication, written out

  0.600 × 0.524   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.514           → UNRATED: 41 of 30 paid calls      weights 2026.09.6 · 41 samples · seed cap_01M1A5AE7JMSXXA41V9MYWJKGC|2026-09-03T23:18:17.622Z|2026.09.6

Verify it yourselfnpx teppi-check https://mailcheck.netzhandwerker.de/emailcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AE7JMSXXA41V9MYWJKGC