grabcad.com

Observed 2026-07-18T12:58:07.358366318+00:00 (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall

Email byMicrosoft 365

Secured byAmazon

Registered withAmazon Registrar, Inc.

Also usesAtlassianGoogle Search Console

tranco_20k

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

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

grabcad.com

A / AAAA

3.171.85.683.171.85.513.171.85.1113.171.85.125

unattributedserves the site

ns-1366.awsdns-42.orgns-1543.awsdns-00.co.ukns-491.awsdns-61.comns-653.awsdns-17.net

awsdns-42.org + awsdns-00.co.uk + moreanswers its DNS

grabcad-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

grabcad.com

Amazonissued its certificate

DNS Records

A 4

3.171.85.68
3.171.85.51
3.171.85.111
3.171.85.125

MX 1

0grabcad-com.mail.protection.outlook.com

TXT 7

MS=ms31776724
atlassian-domain-verification=r61RiqtcdD7ubKlE986lEfcPa5AMRR3VrthgEOuFaayAjr7TyLDqeqHdIC65bVST
google-site-verification=CUIsEAPvoP_rT6EOymwI06kmiXmwHHUoPOIPprUIpfE
neW3vjnP0vlL71175gKsb2BH2iREz+zVW8PQqUGvDcQedUNOQfPhDwdJSH+ST3Yh0xRxzphngwD2wZST2QmBRw==
v=spf1 a mx include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.mtasv.net include:amazonses.com include:_spf.google.com ip4:198.37.155.169 ip4:54.245.103.199 ~all
yandex-verification: 15a3eecfc74a2628
v=DMARC1; p=none; rua=mailto:3f38ba5efc@rua.easydmarc.eu,mailto:dmarc@grabcad.com; ruf=mailto:3f38ba5efc@ruf.easydmarc.eu,mailto:dmarc@grabcad.com; fo=1;

NS 4

ns-1366.awsdns-42.org
ns-1543.awsdns-00.co.uk
ns-491.awsdns-61.com
ns-653.awsdns-17.net

SOA 1

ns-1543.awsdns-00.co.uk it.grabcad.com

CAA 2

issue "amazontrust.com"
issue "letsencrypt.org"

TLS Certificates (3)

Common Name	Issuer	Expires
`grabcad.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Thu, 15 Oct 2026 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +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 grabcad.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: e056d6cb-1582-4d64-9fd3-b7d57635a060
Output Hash: 36ee7736a6f201b78607efda67b0e7955aab51910ffc4611816d87e85946f42d
Signature: ed25519:f3a1a75225e3d50d08cf9d034564ff2138e9e103b7a7a62ca9e5695fee37e093cd3727622c99638c2a403de64e9a206591ca5045b96427b75129d08274412b02
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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