ut-app.com
Observed Aug 2, 2026, 17:51 UTC (19h 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
Runs onCloudflare
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ut-app.com actually stands on - every host below is a signed observation
ut-app.com
A / AAAA
162.43.121.144
Cloudflareserves the site
NS
ns4.xserver.jpns1.xserver.jpns2.xserver.jpns3.xserver.jp+1 more
xserver.jpanswers its DNS
MX
mail.ut-app.com
ut-app.comreceives its email
TLS
ut-app.com
Let's Encryptissued its certificate
DNS Records
A 1
162.43.121.144
MX 1
0mail.ut-app.com
TXT 1
v=spf1 +a:sv14343.xserver.jp +a:ut-app.com +mx include:spf.sender.xserver.jp ~all
NS 5
ns4.xserver.jpns1.xserver.jpns2.xserver.jpns3.xserver.jpns5.xserver.jp
SOA 1
ns1.xserver.jp root.xserver.jp
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ut-app.com |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 23 Sep 2026 13:40:07 +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 (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_4f10e56f4fd89963- Output Hash
c8c60627e6e0486f75f2adaccdd2edd3e454f60c48f03f8ea45527fa2bda678c- Signature
ed25519:84df6c557a604d5eba5be6a10bda7e31cfe7e8860a7d760e6b8d7222f5cbd82caddc6c378cbddf52299af30d8d5cf4b321a4559492af7a01f86ddae1ff52270c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast