25/tcp
SMTP
first 2026-06-27 · last 2026-06-27
- Banner
- 220 withsystem.co.kr Duzon ESMTP Ready
Raw response
220 withsystem.co.kr Duzon ESMTP Ready
Host
45.64.140.121
Tags: Self-signed certificate Expired certificate
As of our latest check on 2026-06-27, 45.64.140.121 (DOUZONEBIZON, AS55615, South Korea) had 4 open ports (25, 80, 8080, 8443) and 1 known CVE.
Known CVEs on this host
4open ports
0names pointing here
1known CVE
0known exploited
Open ports and CVEs as of our latest check of this host, 2026-06-27.
CVEs by severity: MEDIUM 1
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version. See the list
- Network
- DOUZONEBIZON AS55615
- Open ports
- 25, 80, 8080, 8443 · at our latest check, 2026-06-27
- Location
- South Korea KR
- Route
- 45.64.140.0/24 · announced by DOUZONEBIZON AS55615 no RPKI authorisation
- Organisation
- DOUZONEBIZON
- Registry network
- DOUZONE · 45.64.140.0 - 45.64.143.255 · APNIC
- First seen
- 2026-06-27 08:32 UTC
- Last seen alive
- 2026-06-27 08:34 UTC
- Hosted domains
- No host name points here
Reputation
Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.
Services (4)
Raw response
HTTP/1.1 302 Found Cache-Control: private Content-Type: text/html; charset=utf-8 Location: /Account/LogOn?ReturnUrl=%2f Server: Microsoft-IIS/8.5 X-AspNetMvc-Version: 3.0 X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Date: Sat, 27 Jun 2026 08:32:19 GMT Content-Length: 145 <html><head><title>Object moved</title></head><body> <h2>Object moved to <a href="/Account/LogOn?ReturnUrl=%2f">here</a>.</h2> </body></html>
8080/tcp
HTTP
first 2026-06-27 · last 2026-06-27
Raw response
HTTP/1.1 404 Not Found Content-Type: text/html Content-Length: 618
8443/tcp
TLS
first 2026-06-27 · last 2026-06-27
- TLS
- TLSv1.2
- Certificate for
- Unknown
- Issued by
- Unknown
- Valid
- 2015-04-15 → 2015-07-14
- Note
- self-signed certificate
Vulnerabilities
Port history
Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.