rsb.org.br

Observed Jul 25, 2026, 17:47 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

Email byGoogle Workspace

Secured byLet's Encrypt

1 subdomain · tranco

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

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

rsb.org.br

A / AAAA

3.94.32.134

unattributedserves the site

ns-1243.awsdns-27.orgns-1755.awsdns-27.co.ukns-290.awsdns-36.comns-777.awsdns-33.net

awsdns-27.org + awsdns-27.co.uk + moreanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

rsb.org.br

Let's Encryptissued its certificate

DNS Records

A 1

3.94.32.134

MX 5

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 2

v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
v=DMARC1; p=none; rua=mailto:dmarc@rsb.org.br; ruf=mailto:dmarc@rsb.org.br; rf=afrf; pct=100

NS 4

ns-1243.awsdns-27.org
ns-1755.awsdns-27.co.uk
ns-290.awsdns-36.com
ns-777.awsdns-33.net

SOA 1

ns-1755.awsdns-27.co.uk awsdns-hostmaster.amazon.com

TLS Certificates (2)

Common Name	Issuer	Expires
`rsb.org.br`	C=US, O=Let's Encrypt, CN=R12	Sat, 22 Aug 2026 12:27:39 +0000
`R12`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (2)

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

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

Ed25519 Receipt

Receipt ID: rcpt_97193b3fd33359ed
Output Hash: 46834868b08981db7aae444e265fada9609b611e0b91233b2b72374fb66474a3
Signature: ed25519:9ba1b135a666373f9e31b033867fa7b1cffce424530b10e69c79cac182db3957714308e77dc24575045e3a9737fb4ad8b74a418c23c961d8c18d44dcafcc260d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/rsb.org.br