viessmann-us.com

Observed Jul 26, 2026, 09:05 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

Email byProofpoint

Secured byLet's Encrypt

Also usesHubSpotGoogle Search Console

majestic

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

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

viessmann-us.com

A / AAAA

93.122.86.52

unattributedserves the site

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

ns14.netanswers its DNS

mxa-0065c301.gslb.pphosted.commxb-0065c301.gslb.pphosted.com

Proofpointreceives its email

TLS

viessmann-us.com

Let's Encryptissued its certificate

DNS Records

A 1

93.122.86.52

MX 2

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

TXT 7

google-site-verification=wD14q0_2oVdHgwjCyMyH33oIaodJREbiEzfj4A6ZGEs
pardot_299192_*=441c48b95df0eeecdab1b1b716fdee324f52f2c0dff381f7a513b80af93d794d
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:4781265.spf06.hubspotemail.net include:spf.mailjet.com -all
pardot_299192_*=d25c5b325db14898bfa69630cf222ed7333e4fd1c87cd658c8731dcc434007f5
MS=ms80984317
google-site-verification=X8IBc93QlcWErsZvYsLbYZmV6m0XtyNwknDfoTNPEPA
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

NS 4

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

SOA 1

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

TLS Certificates (3)

Common Name	Issuer	Expires
`viessmann-us.com`	C=US, O=Let's Encrypt, CN=YR2	Mon, 21 Sep 2026 20:54:28 +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-us.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_6b80284f5033a0e4
Output Hash: 819e14e1d7b1e0fc1e1c09b879445bd2b59bfc8d61228a756bc8704f7298b5c3
Signature: ed25519:381f5778bec4b847cd7232b287c914efbf0ad9ad04a8d93b2663a6d9b59eea19d45878b7c7b36f19fa2c4c5b4c6612179a149881362113c80dbc7c002acd7a01
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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