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linux-foundation.org

Observed Jul 21, 2026, 19:39 UTC (3h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byLet's Encrypt
Registered with1API GmbH
Also usesGoogle Search Console
1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat linux-foundation.org actually stands on - every host below is a signed observation
linux-foundation.org
A / AAAA
3.131.150.69
Cloudflareserves the site
NS
ns1.dnsimple-edge.comns2.dnsimple-edge.netns3.dnsimple-edge.ions4.dnsimple-edge.org
dnsimple-edge.com + dnsimple-edge.net + moreanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.linux-foundation.org
Let's Encryptissued its certificate

DNS Records

A 1

  • 3.131.150.69

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 2

  • v=spf1 ip4:140.211.169.12/30 include:_spf.kernel.org include:_spf.google.com ~all
  • google-site-verification=jEH0j_DSz-RH4MFdcGIATKbPHiQGxVV_yvwuz_nagTo

NS 4

  • ns1.dnsimple-edge.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple-edge.io
  • ns4.dnsimple-edge.org

SOA 1

  • ns1.dnsimple-edge.com admin.dnsimple.com

TLS Certificates (4)

Common NameIssuerExpires
www.linux-foundation.org C=US, O=Let's Encrypt, CN=YE1 Thu, 15 Oct 2026 21:59:19 +0000
YE1 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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 linux-foundation.org. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for linux-foundation.org <a href="https://domaindrift.io/t/linux-foundation.org"> <img src="https://domaindrift.io/badge/linux-foundation.org.svg" width="300" height="64" alt="DomainDrift signed observations for linux-foundation.org"> </a>

Ed25519 Receipt

Receipt ID
rcpt_09c8f268dab551ba
Output Hash
a93fbb345cd8fdfc71aa4f9045a7535c7c4705a08903a768b1fe7239bb971b75
Signature
ed25519:9f790d9d124e8c4aafc9adae355a8a548b9405768359da557b0b9c286ae81be82cdac8463b4c1d4223de2e7d2a0d88301666ed1741ad1d7268009abab9e58f02
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser