ufrj.br
Observed 2026-06-15T12:11:22.832276315+00:00 (2h ago). Every field below was attested with an Ed25519 signature at scan time.
Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
f1d07026-81ea-4374-bf25-8184c39a66db- Output Hash
1d03351e6b2b5be63e6c6452b311fa73cc59a545b4331c166917dde3dcb509ca- Signature
ed25519:5fbafc66dad3aeb79e0598d069ca543edeb92e035219193d8a36bf1b2345466901febe1ff6214c333bb68553606195f7177f673d61b0cfeeeea6918c9ad4e507- Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29- Parent
(genesis)- Plane
- fast
DNS Records
A 1
200.156.137.16
MX 1
{"priority":9,"exchange":"smtp.ufrj.br"}
TXT 3
google-site-verification=NaU-xN8uCso6L-5T8nKP7NiqFkmSz4iqLjDwob0I9uMv=spf1 ip4:146.164.170.13/32 ip4:146.164.170.153/32 -allgoogle-site-verification=0xGsdaytCVZJrBUD7Qx0z8abQUvSVICbTi51uIP56-0
NS 2
ns.ufrj.brnsx.ufrj.br
SOA 1
{"mname":"ns.ufrj.br","rname":"helpdns.tic.ufrj.br","serial":2026061501,"refresh":3600,"retry":600,"expire":604800,"minimum":300}
CAA 2
{"flag":0,"tag":"issue","value":"\"letsencrypt.org\""}{"flag":0,"tag":"issue","value":"\"globalsign.com\""}
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
ufrj.br |
C=US, O=Let's Encrypt, CN=R12 | Mon, 27 Jul 2026 18:30:45 +0000 |
R12 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 23:59:59 +0000 |