refera.com.br

Observed Jul 25, 2026, 20:39 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

Also usesGoogle Search Console

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat refera.com.br actually stands on - every host below is a signed observation

refera.com.br

A / AAAA

185.230.63.107

unattributedserves the site

ns-1253.awsdns-28.orgns-1813.awsdns-34.co.ukns-363.awsdns-45.comns-750.awsdns-29.net

awsdns-28.org + awsdns-34.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

refera.com.br

Let's Encryptissued its certificate

DNS Records

A 1

185.230.63.107

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 2

google-site-verification=TsTOF7Z4Ox4NUQWqa6zoFzaiTkiVUsT-fSYgfUeSL34
google-site-verification=syzr_9x8s-SSlxYEKvCcrg0TE3trcKPf6KfLHcDBAV8

NS 4

ns-1253.awsdns-28.org
ns-1813.awsdns-34.co.uk
ns-363.awsdns-45.com
ns-750.awsdns-29.net

SOA 1

ns-750.awsdns-29.net awsdns-hostmaster.amazon.com

TLS Certificates (2)

Common Name	Issuer	Expires
`refera.com.br`	C=US, O=Let's Encrypt, CN=R13	Sat, 15 Aug 2026 22:50:17 +0000
`R13`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)

www.refera.com.br

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

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

Ed25519 Receipt

Receipt ID: rcpt_24265c9649a70e9f
Output Hash: f8a802f62d1c3859edc3e59101ceacb8827202cf5ffe0812e0af80ec0e27b181
Signature: ed25519:051594c6c160e81c165d700a5718e4be96191069cb2337ad05db6045c5cbe2e28fad4ba271ef1f711c69c2c8fb3aef6bb29ab77fc66722bfe8b7467e199fca03
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/refera.com.br