dreamschool.or.kr
Observed Jul 25, 2026, 18:47 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.
Up right now
Email byGoogle Workspace
Secured byLet's Encrypt
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dreamschool.or.kr actually stands on - every host below is a signed observation
dreamschool.or.kr
NS
ns1.uhost.co.krns2.uhost.co.kr
uhost.co.kranswers its DNS
MX
ALT3.ASPMX.L.GOOGLE.COMALT4.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
dreamschool.or.kr
Let's Encryptissued its certificate
DNS Records
MX 5
10ALT3.ASPMX.L.GOOGLE.COM10ALT4.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM1ASPMX.L.GOOGLE.COM5ALT1.ASPMX.L.GOOGLE.COM
TXT 1
v=spf1 ip4:175.207.12.213 include:_spf.google.com ~all
NS 2
ns1.uhost.co.krns2.uhost.co.kr
SOA 1
ns1.uhost.co.kr ts.inames.co.kr
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
dreamschool.or.kr |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 30 Aug 2026 00:14:16 +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 (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_3eeccb8af1482088- Output Hash
8209692b21c3fac8a8ab2a9ca0d74b5626450e40c93ba728db5f7a9dab495d2c- Signature
ed25519:f94b3eca5bde1c78548dac991cc03e14c8c2b34c72b25b51af644a28da17645501905532071afc5fbb91c14bb940cf583cbddfeae53d80283c8fa359b3421703- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast