text.cyber.co.kr.

Last scanned: 24 Jun 2026 at 07:38 UTC

Associated IPs (1):

Domain Hierarchy

Parent: cyber.co.kr.

Open Ports (2)

53/domain 443/https
Detailed Open Ports
Port Protocol State Service Product Banner / Title
53 tcp open domain
Probe details
Module: nmap - fingerprint
Last probed: 09 May 2026 at 02:06 UTC
53 udp open domain
Probe details
Module: nmap - fingerprint
Last probed: 09 May 2026 at 02:06 UTC
443 tcp open https 성안당교과서
200 TLSv1.3 TLS_CHACHA20_POLY1305_SHA256 JARM Cert 0d
Probe details
Module: zgrab - tls+https+jarm
Last probed: 27 Apr 2026 at 03:15 UTC
HTTP title: 성안당교과서
Cert subject: *.cyber.co.kr
Cert issuer: GlobalSign GCC R6 AlphaSSL CA 2025
Cert not before: 01 Jul 2025 at 20:07 UTC
Cert not after: 02 Aug 2026 at 20:07 UTC
SAN count: 2
JARM: 05d02d20d21d20d05c42d43d0000002b114e678f17a2442779c50c770cc922
Headers:
server: nginx/1.20.1