rong-chang.com

Observed Jul 27, 2026, 18:14 UTC (4d 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

Also usesGoogle Search Console

tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat rong-chang.com actually stands on - every host below is a signed observation

rong-chang.com

A / AAAA

192.252.144.242

unattributedserves the site

ns1.s2051.sureserver.comns2.s2051.sureserver.com

sureserver.comanswers its DNS

mail.rong-chang.com

rong-chang.comreceives its email

TLS

*.rong-chang.com

Let's Encryptissued its certificate

DNS Records

A 1

192.252.144.242

MX 1

0mail.rong-chang.com

TXT 3

v=spf1 a mx include:s2051.smtp-spf.sureserver.com ~all
google-site-verification=5_plmUCmIrxFvSm5R_-c7CLVxataMPH0wH_ha6ntj3Q
v=DMARC1; p=none;

NS 2

ns1.s2051.sureserver.com
ns2.s2051.sureserver.com

SOA 1

ns1.s2051.sureserver.com hostmaster.rong-chang.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.rong-chang.com`	C=US, O=Let's Encrypt, CN=YR2	Wed, 07 Oct 2026 10:45:17 +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 (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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_e0eefb05be0f3a80
Output Hash: ca9032897898ac10b10df85fb973f40ddcd9d9342c2a1891c69f3e3c249b0cd6
Signature: ed25519:3f65c8f6024f8466a1488b4b8d32f3817274b3e6e1a03cc4731be0ec8450f8e5f45a985965f3364702a51a8818a1fdcb639d55f163382616cd54740399d41508
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/rong-chang.com