sigmacomputing.com

Observed Jul 18, 2026, 13:49 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byLet's Encrypt

Registered withMarkMonitor Inc.

Also usesDocuSign1PasswordDockerFacebook/MetaGoogle Search ConsoleHubSpotAtlassian

1 subdomain · tranco_40k

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

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

sigmacomputing.com

A / AAAA

75.2.60.5

Amazonserves the site

ns1.sigmacomputing.comns2.sigmacomputing.comns3.sigmacomputing.comns4.sigmacomputing.com

sigmacomputing.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

sigmacomputing.com

Let's Encryptissued its certificate

DNS Records

A 1

75.2.60.5

MX 5

1aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com

TXT 28

MS=ms10783565
MS=ms72232833
MS=ms76987717
proxy-ssl.webflow.com
34316sd0t9id4lvqg335dk5fig
7aonun7rkg6e3lagaai2tipf27
O7TaXWm4DTVbIReH1ImJ30fzUyOwfyyn
apple-domain-verification=6QfLAx5oHpWxTsTl
MS=1B1475F13770C995F72308935D89D3E35C5CD144
docusign=376cb3ac-6c49-4385-914d-8e899691ff7f

NS 4

ns1.sigmacomputing.com
ns2.sigmacomputing.com
ns3.sigmacomputing.com
ns4.sigmacomputing.com

SOA 1

ns1.sigmacomputing.com dns.cloudflare.com

TLS Certificates (2)

Common Name	Issuer	Expires
`sigmacomputing.com`	C=US, O=Let's Encrypt, CN=E7	Thu, 20 Aug 2026 21:15:03 +0000
`E7`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: 80088e3a-85a8-4243-bbb4-94db84c16a2d
Output Hash: 8c279277510ee3975e4192673d40b5422f4d4b3dd1ce75204efd93400327276f
Signature: ed25519:4cb62cbfa60840fe8b3d0643e3211feed705b80e5fcc320ed45809d84efb24272e375cb373db9c9674fe3640c8c0a9c36ff27d98eaac336d902d12e11432140c
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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