zko.ch

Observed Jul 26, 2026, 10:04 UTC (7d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · majestic

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat zko.ch actually stands on - every host below is a signed observation

zko.ch

A / AAAA

51.103.210.201

unattributedserves the site

ns1.univers.metanet.chns2.univers.metanet.ch

metanet.chanswers its DNS

zko-ch.mail.eo.outlook.com

Microsoft 365receives its email

TLS

www.zko-haus.ch

Let's Encryptissued its certificate

DNS Records

A 1

51.103.210.201

MX 1

10zko-ch.mail.eo.outlook.com

TXT 5

google-site-verification=XqHmS58EdHE8_ySNbRRb6AvhwWrawlQEngwThnoC7v8
v=spf1 a:mx4.eventim.de include:_spf.442hz.com include:_spf.sui-inter.net include:servers.mcsv.net include:spf.protection.outlook.com -all
MS=7B17F2E96F4CC5F32CF037C35C65BB23C4369F7C
QuoVadis=a46a7fae-0776-4024-88fd-72f8e69c605f
v=DMARC1; p=none

NS 2

ns1.univers.metanet.ch
ns2.univers.metanet.ch

SOA 1

ns1.univers.metanet.ch hostmaster.zko.ch

TLS Certificates (3)

Common Name	Issuer	Expires
`www.zko-haus.ch`	C=US, O=Let's Encrypt, CN=YR2	Tue, 20 Oct 2026 02:17:02 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.zko.ch

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for zko.ch. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/zko.ch">
  <img src="https://domaindrift.io/badge/zko.ch.svg"
       width="300" height="64" alt="DomainDrift signed observations for zko.ch">
</a>

Ed25519 Receipt

Receipt ID: rcpt_16b77e66a4bec1b0
Output Hash: 15095036a1cdf8435d1439d23b9a573f2cfa94ae9613730705506c48bee544a9
Signature: ed25519:11361778b738c8630ed03f09ea0e415825189f33f03607a23bf7c9be23839baf2af697e954d4cf43853c428299a2632e5495a90c23b241f4375f1ebe55065207
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/zko.ch