youngjeff.cn
Observed Jul 27, 2026, 03:28 UTC (6d 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.
Not responding
Secured byLet's Encrypt
Also usesGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat youngjeff.cn actually stands on - every host below is a signed observation
youngjeff.cn
A / AAAA
120.79.152.181
unattributedserves the site
NS
dns32.hichina.comdns31.hichina.com
hichina.comanswers its DNS
TLS
youngjeff.cn
Let's Encryptissued its certificate
DNS Records
A 1
120.79.152.181
TXT 1
google-site-verification=aLgRELJIA9YV-xOsB6BYgaFE1IIzquft7wklX_o8cJk
NS 2
dns32.hichina.comdns31.hichina.com
SOA 1
dns31.hichina.com hostmaster.hichina.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
youngjeff.cn |
C=US, O=Let's Encrypt, CN=YE1 | Sun, 13 Sep 2026 13:39:21 +0000 |
YE1 |
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 (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
- Output Hash
0277967deaa76ea37146113ee15019390605820e2fff79ba99f9f199bc6361c2- Signature
(receipt not held at this host)- Public Key
connor-fast-v0.13.0- Parent
(genesis)- Plane
- fast