merck.com

Observed 2026-07-14T02:02:26.458Z (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Registered withMarkMonitor Inc.

Also usesGoogle Search Console1PasswordDockerAtlassianFacebook/Meta

10 subdomains · healthcare

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

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

merck.com

A / AAAA

192.0.66.119

Cloudflareserves the site

ns01.msddns.comdns2.p03.nsone.netdns4.p03.nsone.netns04.msddns.com+4 more

msddns.com + nsone.netanswers its DNS

msdcloud.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

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

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1165 ms

DNS resolutionNOERROR

Redirect chain

https://www.merck.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

192.0.66.119

MX 1

0msdcloud.mail.protection.outlook.com

TXT 62

smartsheet-site-validation=2XUbLMBJFkkltyH3ngZFOlnIqFv29PvY
mongodb-site-verification=I5lG10QLafEXrk8Q2O8Duu84hUOkoLxm
meta-work-account-domain-verification=b21f858f-9e4f-4797-8eec-7b6deba1c12a
google-site-verification=fFR6UZDhXRia_VuIGTVOCOlwQzpsndzqs6PubIIOfnk
mongodb-site-verification=EAy8hzGVPrh0smAXi9A0MQ1V7vlwR0L7
adobe-idp-site-verification=c9df9d351e2d97fe46b43740c6593677199a0bc21036f69a3e304fb45ba1fdba
ibmid= 81d5ac3b-53ce-4d24-9062-4057a4045f96
20q8kh5vb8lc34dg17lk07rh5n
appspace-domain-verification=f5ee13f2c71814a40d6354018ec5f8025ca10f17c08c58927e1491feb4a7d7b8
00DWK000004QOCT=1TBWK0000000L9J;00DWK000004QOE5=1TBWK0000000L7h;00DWA000004mV8r=1TBWA0000004oe9

NS 8

ns01.msddns.com
dns2.p03.nsone.net
dns4.p03.nsone.net
ns04.msddns.com
dns3.p03.nsone.net
ns03.msddns.com
ns02.msddns.com
dns1.p03.nsone.net

SOA 1

dns1.p03.nsone.net hostmaster.nsone.net

TLS Certificates (0)

None.

Subdomains (10)

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

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

Ed25519 Receipt

Receipt ID: 830f1205-058d-44ae-8613-fed4a7e655ad
Output Hash: adc391d4f9760e40f67625bde6b5badb733aa8ec5e27b1ce90138b94f0228739
Signature: ed25519:fc26b1ea2015dbab84cabf4aa94417ac7b8ac462f4cb06b7b006745e6c644de820dc62331e3d14195e94c7d6c4926904d8ee4cca8038b78c0cdeffe83db9d806
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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