zjsciot.com
Observed Aug 2, 2026, 20:57 UTC (11h 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 zjsciot.com actually stands on - every host below is a signed observation
zjsciot.com
A / AAAA
121.41.101.18
unattributedserves the site
NS
dns15.hichina.comdns16.hichina.com
hichina.comanswers its DNS
MX
mxw.mxhichina.commxn.mxhichina.com
mxhichina.comreceives its email
TLS
www.zjsciot.com
Let's Encryptissued its certificate
DNS Records
A 1
121.41.101.18
MX 2
10mxw.mxhichina.com5mxn.mxhichina.com
TXT 1
v=spf1 include:spf.mxhichina.com -all
NS 2
dns15.hichina.comdns16.hichina.com
SOA 1
dns15.hichina.com hostmaster.hichina.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.zjsciot.com |
C=US, O=Let's Encrypt, CN=YR2 | Sat, 17 Oct 2026 04:42:03 +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_82ed6f3ec6b64253- Output Hash
0167d212040af5a51ef7d2a8c0b426b8c0d7092d9e6182047e3e2c2c2caaeea6- Signature
ed25519:9e4e6dcb4c27645bb9d691baada1dabc6cfb5dae3074b41d80c7dc45db3f726aeebb66e2420a712762406ffcd9e93524a9b36b5ffacfc0bdc51e09d1194ad005- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast