duonghungthinh.com
Observed Jul 27, 2026, 20:12 UTC (5d 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 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duonghungthinh.com actually stands on - every host below is a signed observation
duonghungthinh.com
A / AAAA
103.199.19.196
unattributedserves the site
NS
desiree.ns.cloudflare.comray.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
duonghungthinh.com
Let's Encryptissued its certificate
DNS Records
A 1
103.199.19.196
NS 2
desiree.ns.cloudflare.comray.ns.cloudflare.com
SOA 1
desiree.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
duonghungthinh.com |
C=US, O=Let's Encrypt, CN=YR1 | Thu, 10 Sep 2026 06:57:30 +0000 |
YR1 |
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_b47d67446cc4dd75- Output Hash
ff76661239ef9646857cc00367b0427162ebb4ea3bc1541b0a5a13cfc695bc35- Signature
ed25519:22cddcce9bd437d6a8552911fca80b73dd2ae74a220d836d729d42e459efcf8437b6c7516c16612829bf8ebd557ff59089ff0841689db2c46c3ab1804e55c803- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast