zint.ch

Observed Aug 2, 2026, 01:20 UTC (5h 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 byProtonMail

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · 1 subdomain · domcop

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

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

zint.ch

A / AAAA

185.199.108.153185.199.109.153185.199.111.153185.199.110.153+4 more

2606serves the site

netcup.fourthns.systemsnetcup.secondns.atnetcup.fifthns.comnetcup.thirdns.de+1 more

fourthns.systems + secondns.at + moreanswers its DNS

mail.protonmail.chmailsec.protonmail.ch

ProtonMailreceives its email

TLS

zint.ch

Let's Encryptissued its certificate

DNS Records

A 4

185.199.108.153
185.199.109.153
185.199.111.153
185.199.110.153

AAAA 4

2606:50c0:8001::153
2606:50c0:8000::153
2606:50c0:8003::153
2606:50c0:8002::153

MX 2

10mail.protonmail.ch
20mailsec.protonmail.ch

TXT 4

v=spf1 include:_spf.protonmail.ch mx ~all
protonmail-verification=2dfbb1c7f2000ce094c82062ad957d7eabeee788
google-site-verification=4khGd4pS5h3RVLKSoQrTRShes2GjkjIsKKjexT0rU1M
v=DMARC1; p=quarantine; rua=mailto:dmarc@zint.ch

NS 5

netcup.fourthns.systems
netcup.secondns.at
netcup.fifthns.com
netcup.thirdns.de
netcup.firstns.cc

SOA 1

netcup.firstns.cc dnsadmin.netcup.net

TLS Certificates (3)

Common Name	Issuer	Expires
`zint.ch`	C=US, O=Let's Encrypt, CN=YR2	Fri, 18 Sep 2026 10:50:20 +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.zint.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 zint.ch. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_ecc4b293edb7f352
Output Hash: be5341aff5c256fa579fb0f4bd7619a4998a74fc00688bd132c16d52cbc6e52c
Signature: ed25519:0f917e13a50dfb8c090b20549cfeac6bf9b5bfc9c0ea0dda595f2389251218fdfd279d65061cb9f6ff1c4b5a174ab9081750305f5acafb75053daeb8a9264e0a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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