viereck.ch

Observed Jul 26, 2026, 22:36 UTC (6d 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.

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Up right now

Secured byLet's Encrypt

1 subdomain · domcop

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

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

viereck.ch

A / AAAA

81.201.202.162

unattributedserves the site

ns-129-a.gandi.netns-237-c.gandi.netns-173-b.gandi.net

gandi.netanswers its DNS

mail.viereck.ch

viereck.chreceives its email

TLS

viereck.ch

Let's Encryptissued its certificate

DNS Records

A 1

81.201.202.162

MX 1

10mail.viereck.ch

TXT 2

v=spf1 ip4:81.201.202.162 -all
v=DMARC1; p=none; rua=mailto:info@viereck.ch; ruf=mailto:info@viereck.ch; fo=1

NS 3

ns-129-a.gandi.net
ns-237-c.gandi.net
ns-173-b.gandi.net

SOA 1

ns1.gandi.net hostmaster.gandi.net

SRV 2

mail.viereck.ch:143 p0
mail.viereck.ch:587 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`viereck.ch`	C=US, O=Let's Encrypt, CN=YR1	Thu, 08 Oct 2026 20:55:00 +0000
`YR1`	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.viereck.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.

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

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

Ed25519 Receipt

Receipt ID: rcpt_6f3694a709470e6c
Output Hash: 66c54c2849396a93eb0267462c239a57bb33e29d757c51567e2f86495384caa6
Signature: ed25519:f4ed492d9c2cce68748f96c5e2dee0249fc18821e0d42407597f30d4910c400d268d734716f9b1f32eaab0bfdde62e77393d1251a6fb5dc3e0b79653713aa90d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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