mcmaster.com

Observed 2026-07-12T17:32:49.067Z (15h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Registered withNetwork Solutions, LLC

Also usesNotionDocuSignAtlassianMiroGoogle Search Console

74 subdomains · manufacturing

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

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

mcmaster.com

A / AAAA

209.64.25.149

Cloudflareserves the site

ns1.mcmaster.comns4.mcmaster.comns3.mcmaster.comns2.mcmaster.com

mcmaster.comanswers its DNS

mx0b-00570c01.pphosted.commx0a-00570c01.pphosted.com

Proofpointreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.mcmaster.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time285 ms

DNS resolutionNOERROR

Redirect chain

https://www.mcmaster.com/

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

DNS Records

A 1

209.64.25.149

MX 2

0mx0b-00570c01.pphosted.com
0mx0a-00570c01.pphosted.com

TXT 14

anthropic-domain-verification-18mq8v=LcuVZynEW19BWYIbz7j3ntQMp
v=spf1 ip4:209.64.25.245 ip4:209.64.25.246 ip4:209.64.25.247 ip4:209.64.25.248 ip4:12.203.197.22 ip4:12.203.197.23 ip4:12.203.197.24 ip4:12.203.197.25 ip4:44.203.112.2 include:_spfprod.ngpvan.com ~all
apple-domain-verification=TTiWjZN11fZHZBQi
_kxi5f2699317hnmzrd20oc6kknc7myl
notion-domain-verification=hk4fClpkyNxaDpYRpNMju4LWhDtHC9IfPqji2fvE7LU
_00e3btp7pnzoy6pqegfm7fsjjp0x9uw
MS=E150D2B549DCBD0EB9D652EE4B78C88D8E94B1F0
docusign=e7d2700e-0abc-46de-9ae4-ec25ed45fdb7
atlassian-domain-verification=GNSv9wabNT5xNCz0qSb/2LU6iZpUAc1Za56wsU1hJhgLeSTuIVYcajabmy9s1Bbf
miro-verification=f4e0eeb30859fc7ba1f97fa4226ca3e283c9c863

NS 4

ns1.mcmaster.com
ns4.mcmaster.com
ns3.mcmaster.com
ns2.mcmaster.com

SOA 1

ns2.mcmaster.com hostmaster.mcmaster.com

CAA 1

issue digicert.com

TLS Certificates (0)

None.

Subdomains (4)

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

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

Ed25519 Receipt

Receipt ID: 559384f0-5f6d-4970-ad28-4d5c77e09826
Output Hash: 73a6870b78ec8e8d592003661dc037bd311698512489dc492f7e60360848be24
Signature: ed25519:a57cdf20fa24ada88d8c774821c541bc909d117868d34ef2a5009aacca7fda374dab0ae943e017d0571a908a242c43d90544afce1a20ed82d91ef756013bf40b
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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