ufrj.br

Observed Jul 18, 2026, 12:23 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onFundacao Carlos Chagas Filho de Amparo a Pesquisa

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · push_legacy

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

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

ufrj.br

A / AAAA

200.156.137.16

Fundacao Carlos Chagas Filho de Amparo a Pesquisaserves the site

ns.ufrj.brnsx.ufrj.br

ufrj.branswers its DNS

smtp.ufrj.br

ufrj.brreceives its email

TLS

ufrj.br

Let's Encryptissued its certificate

DNS Records

A 1

200.156.137.16

MX 1

9smtp.ufrj.br

TXT 3

v=spf1 ip4:146.164.170.13/32 ip4:146.164.170.153/32 -all
google-site-verification=NaU-xN8uCso6L-5T8nKP7NiqFkmSz4iqLjDwob0I9uM
google-site-verification=0xGsdaytCVZJrBUD7Qx0z8abQUvSVICbTi51uIP56-0

NS 2

ns.ufrj.br
nsx.ufrj.br

SOA 1

ns.ufrj.br helpdns.tic.ufrj.br

CAA 2

issue "globalsign.com"
issue "letsencrypt.org"

TLS Certificates (3)

Common Name	Issuer	Expires
`ufrj.br`	C=US, O=Let's Encrypt, CN=YR1	Thu, 24 Sep 2026 19:26:58 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: 37e0f90d-7a40-49f3-9caf-3d7e173f33a4
Output Hash: 1142f2b2a22c846665f34321871b42bddfd0c5098fb6c575411b80fbff35d426
Signature: ed25519:62d869bc1985ba7ff4cf553fa174d05112a9119e8b1cc62a901b9e180d1c26589319026cf772d57f1417d03ef24f889ef9e0bfdae802e60255070d2ac3746608
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/ufrj.br