sejong.ac.kr
Observed Jul 24, 2026, 19:26 UTC (8d 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
Runs onSejong University
Secured bySectigo
Also usesGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sejong.ac.kr actually stands on - every host below is a signed observation
sejong.ac.kr
A / AAAA
210.107.239.136
Sejong Universityserves the site
NS
ns2.sejong.ac.krns.sejong.ac.kr
ac.kranswers its DNS
MX
sniper.sejong.ac.kr
ac.krreceives its email
TLS
*.sejong.ac.kr
Sectigo Limitedissued its certificate
DNS Records
A 1
210.107.239.136
MX 1
5sniper.sejong.ac.kr
TXT 6
google-site-verification=PSD8zXtOAnZHmmpdl9i30goQH7hWLSDhHUfUGu2lj90google-site-verification=_XZ5izF-R9Mm6cxyjUQi3qNW8mR7Omc7IxSP4p3p_iwgoogle-site-verification=fgMRaNwZhEEu1mmkK5wTizZ7tdE2gL3Z4qcu-bTUnu0v=spf1 ip4:210.107.239.133 ip4:210.107.239.134 ip4:210.107.239.136 ip4:210.107.239.141 ip4:210.107.239.142 ip4:223.195.50.102 ip4:210.107.238.94 ip4:210.107.238.204 ip4:200.200.200.1 ip4:223.195.79.120 ip4:210.107.238.185 ~allgoogle-site-verification=_KHR09c5IDeUNmiSs2CTQEXDqBfV1KU_SScLJmdtQ5Qv=DMARC; p=none; rua=mailto:admin@sejong.ac.kr
NS 2
ns2.sejong.ac.krns.sejong.ac.kr
SOA 1
sejong.ac.kr root.sejong.ac.kr
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
*.sejong.ac.kr |
C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA | Tue, 10 Nov 2026 23:59:59 +0000 |
Sectigo RSA Domain Validation Secure Server CA |
C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority | Tue, 31 Dec 2030 23:59:59 +0000 |
USERTrust RSA Certification Authority |
C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services | Sun, 31 Dec 2028 23:59:59 +0000 |
AAA Certificate Services |
C=GB, ST=Greater Manchester, L=Salford, O=Comodo CA Limited, CN=AAA Certificate Services | Sun, 31 Dec 2028 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 receiptEd25519 Receipt
- Receipt ID
rcpt_0143c7a1d8f5aa43- Output Hash
c662761772cfe73837663394a93e8f790e0867123a4814d9b38e66ac6497e493- Signature
ed25519:b0cb37be55f8351b0e3e691409b2852a2881576ad03df02145b36f223f57176de916861a0ec7e175d9ee2e0f7685437016fa4867351261a552805651b4a5e404- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast