rznet.com.br
Observed Aug 16, 2026, 13:39 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.
Up right now
Secured byLet's Encrypt
Let's EncryptIPv6 · 2 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rznet.com.br actually stands on - every host below is a signed observation
rznet.com.br
A / AAAA
138.59.232.72804:22a8::7
2804serves the site
NS
ns1.rznet.com.brns3.rznet.com.brns2.rznet.com.br
rznet.com.branswers its DNS
MX
mx364.umbler.commx128.umbler.inmx240.umbler.co.ukmx783.umbler.com.br
umbler.com + umbler.in + morereceives its email
TLS
www.rznet.com.br
Let's Encryptissued its certificate
DNS Records
A 1
138.59.232.7
AAAA 1
2804:22a8::7
MX 4
10mx364.umbler.com20mx128.umbler.in40mx240.umbler.co.uk30mx783.umbler.com.br
TXT 1
v=spf1 include:spf.umbler.com ~all
NS 3
ns1.rznet.com.brns3.rznet.com.brns2.rznet.com.br
SOA 1
ns1-rznet administrador.rznet.com.br
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
www.rznet.com.br |
C=US, O=Let's Encrypt, CN=YE1 | Sun, 08 Nov 2026 13:00:37 +0000 |
YE1 |
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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_8aab20a3140bc6da- Output Hash
cdd21be0f5d1764d2785a98c31323d4ad3f83a92759c8636952b9a003589a874- Signature
ed25519:8251249d21874305d52bdec69fb6dc0314476202f3d5e67c19fb0b68d504cc6e1b56a55241260683051aceece0b618f8709b533cc38c1e8f16bc4b494e4b1708- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast