rrdtool.org

Observed Jul 26, 2026, 06:29 UTC (7d 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.

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Up right now

Secured byLet's Encrypt

IPv6 · 1 subdomain · majestic

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

INFRASTRUCTURE MAPwhat rrdtool.org actually stands on - every host below is a signed observation

rrdtool.org

A / AAAA

46.140.183.2212a02:aa08:e000:1e01::64

2a02serves the site

ns2.oetiker.chns1.oetiker.ch

oetiker.chanswers its DNS

TLS

oetiker.ch

Let's Encryptissued its certificate

DNS Records

A 1

46.140.183.221

AAAA 1

2a02:aa08:e000:1e01::64

NS 2

ns2.oetiker.ch
ns1.oetiker.ch

SOA 1

ns1.oetiker.ch hostmaster.oetiker.ch

TLS Certificates (3)

Common Name	Issuer	Expires
`oetiker.ch`	C=US, O=Let's Encrypt, CN=YR2	Sat, 17 Oct 2026 08:06:06 +0000
`YR2`	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.rrdtool.org

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

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

Ed25519 Receipt

Receipt ID: rcpt_4525ad18092903dd
Output Hash: cf20a294f63a1ecb66c6b5fbc17ef3226dafc3ed31f45fccd7c11d6afe52282e
Signature: ed25519:0f833b79a5db1f174d182dad0ad0cc9e19b458e6a0dc910b0171fe6ea57a7541cfe98149ff4dee04a3afbf89fa4c10cac806bdc62ffc07b168eecade15c03203
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/rrdtool.org