jenkins.io

Observed Jul 21, 2026, 19:38 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onMicrosoft Corporation

Email byGoogle (SPF sender)

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · 1 subdomain · push_legacy

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

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

jenkins.io

A / AAAA

128.24.70.1192603:1030:408:3::2bd

Microsoft Corporationserves the site

ns1-06.azure-dns.comns2-06.azure-dns.netns3-06.azure-dns.orgns4-06.azure-dns.info

azure-dns.com + azure-dns.net + moreanswers its DNS

mxb.mailgun.orgmxa.mailgun.org

Google (SPF sender)receives its email

TLS

jenkins-ci.org

Let's Encryptissued its certificate

DNS Records

A 1

128.24.70.119

AAAA 1

2603:1030:408:3::2bd

MX 2

10mxb.mailgun.org
10mxa.mailgun.org

TXT 6

jetbrains-domain-verification=9memu05gp112di1q7gijggppf
libera-MjLnxZ2KPqJJnJr6X4WFovAe
_globalsign-domain-verification=b1pmSjP4FyG8hkZunkD3Aoz8tK0FWCje80-YwtLeDU
v=spf1 include:mailgun.org include:sendgrid.net include:_spf.google.com ~all
google-site-verification=4Z81CA6VzprPWEbGFtNbJwWoZBTGmTp3dk7N0hbt87U
v=DMARC1; p=reject; pct=100;rua=mailto:jenkins-dmarc@olblak.com

NS 4

ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info

SOA 1

ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com

CAA 7

issue "amazon.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "godaddy.com"
issue "letsencrypt.org"
issue "pki.goog; cansignhttpexchanges=yes"
issue "globalsign.com"
issue "sectigo.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`jenkins-ci.org`	C=US, O=Let's Encrypt, CN=YR1	Sun, 18 Oct 2026 10:03:02 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_e7a02dd80d4ecf53
Output Hash: ace1865f0c913d7ad81d675907af18a7be1787f1102a24046732a380dd679d42
Signature: ed25519:b21ebc0ce4d2c6a89b368a02f5c8c310f663a224e930d5e20d06588d63d1192070c0cee4488ebc919c7eb588896eacc42432fdcde3ee91540c64c68e5c5c330b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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