brownbook.net

Observed Jul 24, 2026, 03:22 UTC (7h 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

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Registered withTucows Domains Inc.

Also usesGoogle Search Console

IPv6 · tranco_40k

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

INFRASTRUCTURE MAPwhat brownbook.net actually stands on - every host below is a signed observation

brownbook.net

A / AAAA

104.20.41.207172.66.155.92606:4700:10::ac42:9b092606:4700:10::6814:29cf

Cloudflareserves the site

kaiser.ns.cloudflare.comkimora.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.commx.hover.com.cust.hostedemail.com+4 more

Google Workspacereceives its email

TLS

brownbook.net

Google Trust Servicesissued its certificate

DNS Records

A 2

104.20.41.207
172.66.155.9

AAAA 2

2606:4700:10::ac42:9b09
2606:4700:10::6814:29cf

MX 8

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
10mx.hover.com.cust.hostedemail.com
10mxa.mailgun.org
10mxb.mailgun.org
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 4

amazonses:JH6jc3qAGPRN7CN33TRPnK6llqbQUrjMT0jQ8HFT7Yk=
google-site-verification=UzUhnH5PSncRed3fQIvVbHFhJRRW5qi0WCNMmOal2LI
google-site-verification=XUfEOH-wiVSZcBweZTqBmIEniE1ui0fnZH5w7ERvIjU
v=spf1 include:mailgun.org ~all

NS 2

kaiser.ns.cloudflare.com
kimora.ns.cloudflare.com

SOA 1

kaiser.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`brownbook.net`	C=US, O=Google Trust Services, CN=WE1	Mon, 31 Aug 2026 11:36:32 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 brownbook.net. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_798e03f070c40ba2
Output Hash: cacb576a8a99a70064212b1cc809982ab89285b2833c0b4dc0428827a16292b4
Signature: ed25519:c39ca972299dbdbbf6f98a3ebdb143f81c027f28d01d16c3b5201dc8dabb27a5033ce5253f0263ee68a3a150ac159e57c3a2d2b42cb6ffd525582c68794df609
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/brownbook.net