sigmacomputing.com
Observed 2026-07-14T21:13:46.751Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Registered withMarkMonitor Inc.
Also usesHubSpotDockerAtlassian1PasswordDocuSignGoogle Search ConsoleFacebook/Meta
11 subdomains · 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
Cloudflareserves the site
NS
ns3.sigmacomputing.comns2.sigmacomputing.comns4.sigmacomputing.comns1.sigmacomputing.com
sigmacomputing.comanswers its DNS
MX
aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com+1 more
Google Workspacereceives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.sigmacomputing.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time135 ms
DNS resolutionNOERROR
Redirect chain
https://www.sigmacomputing.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
75.2.60.5
MX 5
1aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com
TXT 30
34316sd0t9id4lvqg335dk5fig7aonun7rkg6e3lagaai2tipf27hubspot-domain-verification=YjM2NjExZjMtMDZkOC00M2MyLWFkMWItZWRjNmNlYTFmNjllloom-site-verification=ca15015a8d5a4f15856ebf69a268b57dO7TaXWm4DTVbIReH1ImJ30fzUyOwfyynanthropic-domain-verification-138a0c=ZQ2bocq2qyvECMwr2SJaG8Llvdocker-verification=01aeab7a-db0d-4c29-a5c8-d89c02df5c65MS=ms10783565h1-domain-verification=UgdAUjC75dky6yVB6j2WZM7X7HXZRbD8GP8EcTNpgYVoyGdDatlassian-domain-verification=ENOCxulPVxCg7Bzk8fiWuvZXmxha6iJCSJRUPoniTY6pXomM710npHaLwH502USZ
NS 4
ns3.sigmacomputing.comns2.sigmacomputing.comns4.sigmacomputing.comns1.sigmacomputing.com
SOA 1
ns1.sigmacomputing.com dns.cloudflare.com
TLS Certificates (0)
None.
Subdomains (11)
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 receiptEd25519 Receipt
- Receipt ID
f4221895-a706-4efb-9bfe-57fa1facc056- Output Hash
356d6a88b0422797a0b8accdda149160a8b7ae6efc332aaceba94a6d2d4be518- Signature
ed25519:c77f1c66ddc9d4e92d051364d5ac0061c356f9a8f24bbea0fcc0b03cbeaa20e852770c0ee8b41160527f7823927d3f6bc340e575d303c205e7677431d6fb9402- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast