viessmann.com

Observed Jul 18, 2026, 12:09 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Registered withInterNetX GmbH

Also usesDocuSign

energy

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

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

viessmann.com

A / AAAA

93.122.86.82

Cloudflareserves the site

a.ns14.netc.ns14.netb.ns14.netd.ns14.net

ns14.netanswers its DNS

aspmx.l.google.comalt4.aspmx.l.google.comalt3.aspmx.l.google.comalt2.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

viessmann.com

Let's Encryptissued its certificate

DNS Records

A 1

93.122.86.82

MX 5

151aspmx.l.google.com
160alt4.aspmx.l.google.com
160alt3.aspmx.l.google.com
155alt2.aspmx.l.google.com
155alt1.aspmx.l.google.com

TXT 11

openai-domain-verification=dv-GxL3vckcMTn92jxjxlk3lJVk
MS=ms64588296
lovable_verification=g5XDXvHQZRfry5wjZYIq
apple-domain-verification=teCgtHHWJLeSYRQp
adobe-idp-site-verification=d59748daa732a7b72ce1db725f2622a0f91baf82c804c8a3f42f7d920f33b32f
anthropic-domain-verification-fhcgkk=22QbXP15yFUrl45eby1gHf33A
bw=gDd9bSkb7NLDrFubNn2oJLASDMt70K5r9OaGNOKkz8mu
lemontaps-domain-verification=29cfbe6599bece1b2c65f1f96dd29d9833bc623e773231efe7331c489dfa0a37
docusign=57093cfd-c7a4-48a7-9400-37615cdf18b4
v=spf1 include:_spf.google.com -all

NS 4

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

SOA 1

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

TLS Certificates (4)

Common Name	Issuer	Expires
`viessmann.com`	C=US, O=Let's Encrypt, CN=YE2	Sun, 06 Sep 2026 15:17:43 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	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.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 21967b91-14a3-4905-ba58-5cce0e27947b
Output Hash: c8112ac403255aa800dcf51c6b57b5762eab1cc51ad30d67d3ac4c4aac735eff
Signature: ed25519:2038f3b66be13c8ac8605fb52a263ef85ba279de9382a06d92e7fa078f60aa418da7f0926c20070fbeb3da7aafcb8fd2bc9fd7ef16ec900a3d6a00a6e2e6ef0b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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