dnssys.ch

Observed Jul 25, 2026, 08:59 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

Secured byLet's Encrypt

3 subdomains · tranco

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

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

dnssys.ch

A / AAAA

49.12.45.34

unattributedserves the site

ns3.dnssys.chns2.dnssys.chns1.dnssys.ch

dnssys.chanswers its DNS

cc2.mailsys.cc

mailsys.ccreceives its email

TLS

dnssys.ch

Let's Encryptissued its certificate

DNS Records

A 1

49.12.45.34

MX 1

10cc2.mailsys.cc

TXT 1

v=spf1 +a +mx +a:web20.hostsys.ch ip4:116.203.232.172 ip4:88.99.84.111 ~all

NS 3

ns3.dnssys.ch
ns2.dnssys.ch
ns1.dnssys.ch

SOA 1

ns1.dnssys.ch webmaster.cyberdine.ch

TLS Certificates (3)

Common Name	Issuer	Expires
`dnssys.ch`	C=US, O=Let's Encrypt, CN=YR1	Sat, 10 Oct 2026 17:53:51 +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 (3)

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

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

Ed25519 Receipt

Receipt ID: rcpt_9e9739a1130ffffa
Output Hash: cce3d9739743e682c325542aad34ab49bb807aa916b32255fd67ca315dfe6d0f
Signature: ed25519:b2618f14a74b4dcc71ec6b87acb70c62248297336c857f4ca8220fde5c931caf25d911238c10b9a1e5adc8111df75b0aa1a1317c0d8895cde87f684fa8566302
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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