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duonghungthinh.com

Observed Jul 28, 2026, 16:18 UTC (21h 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.

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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.com
  • ray.ns.cloudflare.com

SOA 1

  • desiree.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for duonghungthinh.com. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for duonghungthinh.com <a href="https://domaindrift.io/t/duonghungthinh.com"> <img src="https://domaindrift.io/badge/duonghungthinh.com.svg" width="300" height="64" alt="DomainDrift signed observations for duonghungthinh.com"> </a>

Ed25519 Receipt

Receipt ID
rcpt_0fd2bf6384bb09fc
Output Hash
8878232ee0e762edadf198ff7583e222c93ddbe3f665370b176c211bf4f960aa
Signature
ed25519:f9628cd73f530ec88e279fefd3fc727721d0afcc2fb79200f3a1e4baaab0c92478ef8f6b9991a1a381a8e87c571a45dc6a0e9cfc888a81e084a63457efbac606
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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