alpp.ch

Observed Jul 24, 2026, 08:47 UTC (15h 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

9 subdomains · tranco

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

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

alpp.ch

A / AAAA

3.69.172.222

unattributedserves the site

dns1.nsdns.infodns2.nsdns.infodns3.nsdns.info

nsdns.infoanswers its DNS

mail.alpp.ch

alpp.chreceives its email

TLS

webmail.alpp.ch

Let's Encryptissued its certificate

DNS Records

A 1

3.69.172.222

MX 1

5mail.alpp.ch

TXT 1

v=spf1 a mx include:mail.hostingww.com ~all

NS 3

dns1.nsdns.info
dns2.nsdns.info
dns3.nsdns.info

SOA 1

dns1.nsdns.info tech.key-systems.net

TLS Certificates (3)

Common Name	Issuer	Expires
`webmail.alpp.ch`	C=US, O=Let's Encrypt, CN=YR1	Wed, 30 Sep 2026 02:53:08 +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 (9)

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 alpp.ch. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_2e98be23c9b5d457
Output Hash: 614bb52092d2f534399a5e1a32c514702569f47a59593d1f0e993f5ba6489ef4
Signature: ed25519:1c4781e38ba8d190159ff12223421f93e3a550f9deb5cd482afaed8a82bc5b250cb17c0bc058edad940f3082ef5fed07cc564f00279f5741a01573668ebc710b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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