sangwhan.com
Observed Aug 16, 2026, 06:50 UTC (6h 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
Let's Encryptdomcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sangwhan.com actually stands on - every host below is a signed observation
sangwhan.com
A / AAAA
216.198.79.193
unattributedserves the site
NS
edna.ns.cloudflare.comtodd.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
in1.smtp.messagingengine.comin2.smtp.messagingengine.com
messagingengine.comreceives its email
TLS
sangwhan.com
Let's Encryptissued its certificate
DNS Records
A 1
216.198.79.193
MX 2
10in1.smtp.messagingengine.com20in2.smtp.messagingengine.com
NS 2
edna.ns.cloudflare.comtodd.ns.cloudflare.com
SOA 1
edna.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
sangwhan.com |
C=US, O=Let's Encrypt, CN=YR1 | Thu, 24 Sep 2026 02:30:13 +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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_8182890f70a4fba3- Output Hash
f768aa9cca00d6caf58ecb0577998ca0c1192a3a66006c915d547186622921cc- Signature
ed25519:af6620b020101c9a99da533f1bce2c2e9201c5fe628c3e7ff51f63a1652322be89d24d0050eabaee880fdfab7ad0f4ed14cbea8b1826e9e45b8e7f60bf38900c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast