ruet.ac.bd
Observed Jul 28, 2026, 03:12 UTC (1d 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 ruet.ac.bd actually stands on - every host below is a signed observation
ruet.ac.bd
A / AAAA
103.157.135.180
unattributedserves the site
NS
ds1.bdren.net.bdds2.bdren.net.bd
net.bdanswers its DNS
MX
smtp.google.com
Google Workspacereceives its email
TLS
*.ruet.ac.bd
Let's Encryptissued its certificate
DNS Records
A 1
103.157.135.180
MX 1
1smtp.google.com
TXT 2
v=spf1 include:_spf.google.com +a +mx +ip4:103.157.135.180 ~allv=DMARC1; p=none;
NS 2
ds1.bdren.net.bdds2.bdren.net.bd
SOA 1
ds1.bdren.net.bd webhost.bdren.net.bd
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.ruet.ac.bd |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 10 Oct 2026 07:59:18 +0000 |
YR2 |
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 (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_7f30a1a5191412fe- Output Hash
89195128bf4a420eccc475f1c02ad5366196fc4af5f4ae9679ca13c75a554aa5- Signature
ed25519:7828b824fb1ba48af837fa722019fb84268ce16479d10ecd07e8cdd50321f39bd08a7cf202e3ae599e34c3da488e77cc04973c7a01a5e6bb53fd9726b206fd0d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast