sigmaaldrich.com

Observed Jul 18, 2026, 13:01 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onIncapsula

Email byProofpoint

Secured byGlobalSign

Also usesGoogle Search Console

4 subdomains · tranco_20k

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

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

sigmaaldrich.com

A / AAAA

45.60.86.9345.60.115.93

Incapsulaserves the site

ns02.brandshelter.netns01.brandshelter.com

brandshelter.net + brandshelter.comanswers its DNS

mxa-005f4802.gslb.pphosted.commxb-005f4802.gslb.pphosted.com

Proofpointreceives its email

TLS

imperva.com

GlobalSign nv-saissued its certificate

DNS Records

A 2

45.60.86.93
45.60.115.93

MX 2

10mxa-005f4802.gslb.pphosted.com
10mxb-005f4802.gslb.pphosted.com

TXT 34

MS=ms81241719
_cftn9x585yz9b3cb3i1ari4j6bh65sp
_cy951hhy8mw82q69dkjgsax6jh39est
_globalsign-domain-verification=49OWFydCiWRZ_S8Vdp-VLIQnUn-kkSxNGgyJMa_138
_globalsign-domain-verification=6bP9qCGkjtv6lK1oUUk1GW_aLlwQ_rTa1zcOrqYRVM
_globalsign-domain-verification=i-eF5zY4dQy_1FzurxY-vB_ehho_ANc_RUBJNFcEiB
_globalsign-domain-verification=y-WbZfGH3iscpkgt-BmoaO4oBPfJ1RVC-VsPFSFLIe
_qeapzxdelh7xfhnlqcuywo7ygi7hifv
_svi1ncu4cumr6nw5k1znkab0qr691rv
_validation-contactemail webadmin-devops@merckgroup.com

NS 2

ns02.brandshelter.net
ns01.brandshelter.com

SOA 1

ns01.brandshelter.com tech.brandshelter.com

TLS Certificates (3)

Common Name	Issuer	Expires
`imperva.com`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign Atlas R46 DV TLS CA 2026 Q2	Mon, 31 Aug 2026 15:34:20 +0000
`GlobalSign Atlas R46 DV TLS CA 2026 Q2`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign Root R46	Fri, 21 Jan 2028 00:00:00 +0000
`GlobalSign Root R46`	2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign	Sun, 18 Mar 2029 00:00:00 +0000

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

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

Ed25519 Receipt

Receipt ID: ddfd30ef-1984-43e8-a9fa-e11edc05a9a8
Output Hash: 85db778f406745d618e6cc4a8704d4a6daf003066dac9026f972407ddbcee493
Signature: ed25519:cadeb9fa195098a980af57def51b05a96169440eb03a69eb66b9f21c6b6aab731256c654a346170747023d171c64e83ab0691b132a47a5e6f78b4e314f136305
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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