kubernetes.io

Observed Jul 18, 2026, 12:01 UTC (3d 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

Also uses1PasswordGoogle Search Console

1 subdomain · languages

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

INFRASTRUCTURE MAPwhat kubernetes.io actually stands on - every host below is a signed observation

kubernetes.io

A / AAAA

15.197.167.903.33.186.135

Amazonserves the site

ns-cloud-a4.googledomains.comns-cloud-a2.googledomains.comns-cloud-a3.googledomains.comns-cloud-a1.googledomains.com

googledomains.comanswers its DNS

alt3.aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt4.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

kubernetes.io

Let's Encryptissued its certificate

DNS Records

A 2

15.197.167.90
3.33.186.135

MX 5

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

TXT 4

1password-site-verification=SOZCTQ66DFFXVGPOWOHMVDIBVI
v=spf1 include:_spf.google.com mail.kubernetes.io ~all
google-site-verification=qmfDqvHjWJBL78F9saApyW0VFRyymuSMpqMn8gtGmd0
google-site-verification=oPORCoq9XU6CmaR7G_bV00CLmEz-wLGOL7SXpeEuTt8

NS 4

ns-cloud-a4.googledomains.com
ns-cloud-a2.googledomains.com
ns-cloud-a3.googledomains.com
ns-cloud-a1.googledomains.com

SOA 1

ns-cloud-a1.googledomains.com cloud-dns-hostmaster.google.com

CAA 2

issue "letsencrypt.org"
issue "pki.goog"

TLS Certificates (4)

Common Name	Issuer	Expires
`kubernetes.io`	C=US, O=Let's Encrypt, CN=YE2	Fri, 11 Sep 2026 09:13:55 +0000
`YE2`	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)

www.kubernetes.io

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 kubernetes.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: cb4254a3-0eee-4680-8e77-9f78c5739931
Output Hash: 6d267271e4f03ed1c12d2d0ed0bf241a30d4fef7b624d146ada5629997605a50
Signature: ed25519:9c48639dee30356157e85b06e2f65ae304988918e734c849107ce223431e04cd5c6a2be24a3605059b88647f07cebb15df732389e883287fb64e61f0d79d8f09
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/kubernetes.io