doctum.edu.br

Observed Jul 27, 2026, 19:04 UTC (4d 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 ConsoleFacebook/Meta

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat doctum.edu.br actually stands on - every host below is a signed observation

doctum.edu.br

A / AAAA

35.89.53.126

unattributedserves the site

ns1.doctum.edu.brns.doctum.edu.br

edu.branswers its DNS

ALT1.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COMASPMX3.GOOGLEMAIL.COMASPMX5.GOOGLEMAIL.COM+3 more

Google Workspacereceives its email

TLS

doctum.edu.br

Let's Encryptissued its certificate

DNS Records

A 1

35.89.53.126

MX 7

20ALT1.ASPMX.L.GOOGLE.COM
10ASPMX.L.GOOGLE.COM
30ASPMX3.GOOGLEMAIL.COM
30ASPMX5.GOOGLEMAIL.COM
30ASPMX4.GOOGLEMAIL.COM
20ALT2.ASPMX.L.GOOGLE.COM
30ASPMX2.GOOGLEMAIL.COM

TXT 9

brevo-code:2d366fcf2d938d037be90e86c2563ddd
MS=ms85696039
v=spf1 include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net ~all
MS=ms91879062
google-site-verification=Soc4Kg47Uy6NvDVVa1kZOtqPbLXDcZ0k0X1Ro3utJao
facebook-domain-verification=tt4q7ga1n7u0g3ym45thabfcjy038q
google-site-verification=y4eXSzb5yyg4H-vXer6_ZBR95yfaVRdVuLNz4HDTy0U
google-site-verification=O0jlKFVOtMmm-dATpAova6JYchkLfrTFnumjsZ-6yjk
v=DMARC1; p=none; rua=mailto:dmarc@doctum.edu.br,mailto:rua@dmarc.brevo.com; ruf=mailto:dmarc@doctum.edu.br; rf=afrf; pct=100

NS 2

ns1.doctum.edu.br
ns.doctum.edu.br

SOA 1

ns.doctum.edu.br admrede\@doctum.edu.br

TLS Certificates (4)

Common Name	Issuer	Expires
`doctum.edu.br`	C=US, O=Let's Encrypt, CN=YE2	Sun, 06 Sep 2026 13:17:28 +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 (1)

www.doctum.edu.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 doctum.edu.br. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_1a9ef97c8c2eb1c1
Output Hash: 8919d45bc5758fada56dd4d0e7ade1afd0022023745b0ce73f9a9ddd903df667
Signature: ed25519:c3cb3357b99817b36aa63ddcc53dce7ced33c30ce40fa848a98c0f1f84e8aa233b9e58269a3ecafbb5bcf7b6bb4600611a15d2973eeb538c6698c2c20ff66b07
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/doctum.edu.br