calumet.com

Observed 2026-07-12T17:53:34.554Z (16h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

1 subdomain · energy

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

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

calumet.com

A / AAAA

141.193.213.20141.193.213.21

Cloudflareserves the site

ns-1472.awsdns-56.orgns-464.awsdns-58.comns-1660.awsdns-15.co.ukns-787.awsdns-34.net

awsdns-56.org + awsdns-58.com + moreanswers its DNS

calumet-com.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time19 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

141.193.213.20
141.193.213.21

MX 1

10calumet-com.mail.protection.outlook.com

TXT 4

Xmedius-Verfiication=0a901c56f7d09548b274ece6ba5c0b84b2bb83fe4260839c7a9935a20f67690f
anthropic-domain-verification-dfsnvt=NzlUzH2IwifS1vzhwpabuUYjT
v=spf1 include:spf.protection.outlook.com include:_spf.qualtrics.com include:relay.mailchannels.net ~all
v=DMARC1; p=quarantine; sp=quarantine; pct=100; fo=1; adkim=r; aspf=r;

NS 4

ns-1472.awsdns-56.org
ns-464.awsdns-58.com
ns-1660.awsdns-15.co.uk
ns-787.awsdns-34.net

SOA 1

ns-1660.awsdns-15.co.uk awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (1)

www.calumet.com

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 calumet.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 110a1062-4407-4512-bb02-1d3192868c11
Output Hash: a47f2c6a1680a6cac7dcb69bccd05d36b90ad21908f459f52989aeedefff56ef
Signature: ed25519:128ef712e8d71d2fd6d1422774c0b98d455c77fa441178f0775e62c2d8d537fcff1ec5649a05d88f8de1f3ef1640c9ba3dc88c3d0a1843914aa9ed40ae624508
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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