CONTINUOUS INTERNET TELEMETRY24H DRIFT4,871 material changesacross 4,498 domains · 24h to ~2h ago · -3,892 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

sejong.ac.kr

Observed Aug 3, 2026, 01:25 UTC (4h 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.

Verify this receipt yourself + Watch this domain
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
ns.sejong.ac.krns2.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 5

  • google-site-verification=fgMRaNwZhEEu1mmkK5wTizZ7tdE2gL3Z4qcu-bTUnu0
  • google-site-verification=_XZ5izF-R9Mm6cxyjUQi3qNW8mR7Omc7IxSP4p3p_iw
  • v=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 ~all
  • google-site-verification=_KHR09c5IDeUNmiSs2CTQEXDqBfV1KU_SScLJmdtQ5Q
  • google-site-verification=PSD8zXtOAnZHmmpdl9i30goQH7hWLSDhHUfUGu2lj90

NS 2

  • ns.sejong.ac.kr
  • ns2.sejong.ac.kr

SOA 1

  • sejong.ac.kr root.sejong.ac.kr

DMARC_RECORDS 1

  • v=DMARC; p=none; rua=mailto:admin@sejong.ac.kr

TLS Certificates (4)

Common NameIssuerExpires
*.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.

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Ed25519 Receipt

Receipt ID
rcpt_2eedeb0dced39698
Output Hash
511d14b0826d91c1752871c4ecc79bb0077886e6bd33e7bc4b0ca8986d756681
Signature
ed25519:694b0e3aa0f85b138f84af8ebb6e69226fbc4bd6a8eb026dda8b70d657153ffffbc10b731e5c2ebc54f76e231eaf43308a92deeeab7cde317793044496ffbd0c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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