urca.br
Observed Jul 25, 2026, 04:54 UTC (8d 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
Email byGoogle Workspace
Secured byLet's Encrypt
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat urca.br actually stands on - every host below is a signed observation
urca.br
A / AAAA
189.90.174.218
unattributedserves the site
NS
ns1.urca.brns2.urca.br
urca.branswers its DNS
MX
ALT3.ASPMX.L.GOOGLE.COMALT4.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
urca.br
Let's Encryptissued its certificate
DNS Records
A 1
189.90.174.218
MX 5
10ALT3.ASPMX.L.GOOGLE.COM10ALT4.ASPMX.L.GOOGLE.COM1ASPMX.L.GOOGLE.COM5ALT1.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM
TXT 1
v=spf1 include:_spf.google.com ~all
NS 2
ns1.urca.brns2.urca.br
SOA 1
urca.br root.urca.br
TLS Certificates (0)
None.
Subdomains (0)
None observed.
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 receiptEd25519 Receipt
- Receipt ID
rcpt_2383697ec997afec- Output Hash
699b443e96b7d931219aed2a9ce70acad35153b9eb30a65defeac7fd0a74089c- Signature
ed25519:15ae6f5883ad2e3fc96667646a49527d4ca53510a6a71446812d3e8f67d26c80071a58df8d7cbef0a1a04022dfc6ff2816902a74024b432698827a37f8eedb0d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast