docbook.org

Observed Jul 28, 2026, 22:35 UTC (19h 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

tranco

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

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

docbook.org

A / AAAA

185.27.20.177

unattributedserves the site

ns1.dreamhost.comns3.dreamhost.comns2.dreamhost.com

dreamhost.comanswers its DNS

mx1.mailchannels.netmx2.mailchannels.net

mailchannels.netreceives its email

TLS

docbook.org

Let's Encryptissued its certificate

DNS Records

A 1

185.27.20.177

MX 2

0mx1.mailchannels.net
0mx2.mailchannels.net

TXT 2

v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
gradle-verification=ASB3LC32TN9ES7T76S4E9SKCEINHL

NS 3

ns1.dreamhost.com
ns3.dreamhost.com
ns2.dreamhost.com

SOA 1

ns1.dreamhost.com hostmaster.dreamhost.com

SRV 1

autoconfig.dreamhost.com:443 p5

TLS Certificates (4)

Common Name	Issuer	Expires
`docbook.org`	C=US, O=Let's Encrypt, CN=YE2	Wed, 30 Sep 2026 13:23:28 +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 (0)

None observed.

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

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

Ed25519 Receipt

Receipt ID: rcpt_13b8d9b0eee3f72d
Output Hash: 17c0cefe9e64cf8a2e1fd798e534b0fc28db44ff222713f0294efc20865b9675
Signature: ed25519:c42d7fe7fbc5b245e8b0927fa0c26640a2f7e445f33acc14def3fd4f2c0a769f317fa4f028ddb92ea56592b0b20697958b97f287b92500094674890a49ca4205
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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