dnu.dp.ua
Observed Jul 25, 2026, 18:45 UTC (7d 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
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dnu.dp.ua actually stands on - every host below is a signed observation
dnu.dp.ua
A / AAAA
212.3.125.187
unattributedserves the site
NS
ns.dsu.dp.uans2.trifle.net
dp.ua + trifle.netanswers its DNS
MX
smtp.dsu.dp.ua
dp.uareceives its email
TLS
dnu.dp.ua
Let's Encryptissued its certificate
DNS Records
A 1
212.3.125.187
MX 1
10smtp.dsu.dp.ua
TXT 1
v=spf1 ip4:212.3.125.246 ipv6:2001:470:1f1a:33:1002::2 +a +mx ~all
NS 2
ns.dsu.dp.uans2.trifle.net
SOA 1
dnu.dp.ua hostmaster.dnu.dp.ua
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
dnu.dp.ua |
C=US, O=Let's Encrypt, CN=YE2 | Thu, 15 Oct 2026 15:07:38 +0000 |
YE2 |
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 (1)
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_454981fbb6ea75d7- Output Hash
df2fd2c107d55e58438f346c43029c4f97c9f27b92fe6596d52b1430844ef1b4- Signature
ed25519:ea44577c375c187d0b80ad5dcd09f18fd0ca0b078e010335374ee305ccd3955b130146d49680900b55535aae3a1eca801eb669d55409f249e244c053d2865b0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast