yc.ac.kr
Observed Aug 3, 2026, 10:10 UTC (16m 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.
Not responding
Signed observation on record.
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yc.ac.kr actually stands on - every host below is a signed observation
yc.ac.kr
NS
ns.yc.ac.kr
ac.kranswers its DNS
MX
spam.yc.ac.kr
ac.krreceives its email
DNS Records
MX 1
0spam.yc.ac.kr
TXT 6
google-site-verification=6znpLCZqA7e-KRzFT5zlkUU-dQVauCR14dZ6LwagOJcv=spf1 ipv4:3.37.255.43 include:spf.protection.outlook.com ~allMS=88F703B598419329A03F0DE9D5D1D81035C34066google-site-verification=vXAOp0oYUgjrsWvzXgiqSwTe4l9CU_yJ5ivTmdXEMU8MS=ms30096392google-site-verification=Gb6Pz-SKDCw3z0FO1WgIQECt-sp6KI6Jp_-ABHEl2vs
NS 1
ns.yc.ac.kr
SOA 1
ns.yc.ac.kr webmaster.yc.ac.kr
TLS Certificates (0)
None.
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_91c160923ba25e7a- Output Hash
456153761dd4bb1479a26670f294c335dc8ca27fe48f5455d5b567885c76e389- Signature
ed25519:cc70c0815c4932eb4895611e8badd432543e480d766270786e7fcc9b3a20da6f1ae190b74f5916f7811a0b0101b39c4c404b5b14dbf0be881d7395d28742070a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast