viessmann.de

Observed Jul 27, 2026, 22:53 UTC (5d 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 byProofpoint

Secured byLet's Encrypt

Also usesGoogle Search ConsoleFacebook/Meta

tranco

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

INFRASTRUCTURE MAPwhat viessmann.de actually stands on - every host below is a signed observation

viessmann.de

A / AAAA

93.122.86.52

unattributedserves the site

d.ns14.netc.ns14.neta.ns14.netb.ns14.net

ns14.netanswers its DNS

mxb-0065c301.gslb.pphosted.commxa-0065c301.gslb.pphosted.com

Proofpointreceives its email

TLS

viessmann.de

Let's Encryptissued its certificate

DNS Records

A 1

93.122.86.52

MX 2

10mxb-0065c301.gslb.pphosted.com
10mxa-0065c301.gslb.pphosted.com

TXT 8

facebook-domain-verification=3ab431qluyeknsby2cnnlqvja21etx
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
google-site-verification=Kj-StaL3hIBG0uXS9pjaBTQ17dSbCcJqGGUWvseW9PQ
autodesk-domain-verification=MlXhim6a9-HDT7zHlHPN
00d58000000hyrreaw
google-site-verification=QlenZC3UnX84DgmXAPtK3zlgpAfQtkZDZlPK8ds_1rw
MS=ms34405776
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

NS 4

d.ns14.net
c.ns14.net
a.ns14.net
b.ns14.net

SOA 1

a.ns14.net do-not-reply.viessmann.de

TLS Certificates (3)

Common Name	Issuer	Expires
`viessmann.de`	C=US, O=Let's Encrypt, CN=YR2	Wed, 16 Sep 2026 02:07:05 +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 (0)

None observed.

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 viessmann.de. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_5421b2b73c71d393
Output Hash: d840e012cfa6270d5ac9c49ed8f0b6f34ac2c5320901051c54bdffdc4de2e159
Signature: ed25519:4aa029363d73f67010ce7e64744a799109455be846028988527a7dd3bdd9de1b9b2723b3ad9066e3d4378c2a10b3c1d035b0b7b8419f6730b82cda15832cdb01
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/viessmann.de