OSN

Host

91.239.234.23

Tags: Hosting Self-signed certificate Expired certificate

As of our latest check on 2026-08-17, 91.239.234.23 (HOSTPRO LAB LLC, AS196645, Ukraine) had 5 open ports (21, 22, 25, 80, 443) and 37 known CVEs.

Known CVEs on this host

5open ports
7names pointing here
37known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-08-17.

CVEs by severity: CRITICAL 1 HIGH 9 MEDIUM 15 LOW 12

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

Earlier software versions of this host and the CVEs they had are kept as its history. See the history

Network
HOSTPRO LAB LLC AS196645
Open ports
21, 22, 25, 80, 443 · at our latest check, 2026-08-17
Location
Ukraine UA
Hostname
cp.mars-hydro.ua · reverse DNS, checked 2026-10-04
Route
91.239.234.0/24 · announced by HOSTPRO LAB LLC AS196645 no RPKI authorisation
Organisation
HOSTPRO LAB LLC
Registry network
UA-HOSTPROLAB · 91.239.232.0 - 91.239.235.255 · HOSTPRO LAB LLC · RIPE
Abuse contact
[email protected] · for UA-HOSTPROLAB
First seen
2026-08-12 03:17 UTC
Last seen alive
2026-08-17 08:18 UTC
Hosted domains
7 names point here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (5)

21/tcp FTP first 2026-08-12 · last 2026-08-17
Banner
220 Welcome! Please note that all activity is logged.
Raw response 
220 Welcome! Please note that all activity is logged.
22/tcp SSH OpenSSH_8.4p1 37 CVEs first 2026-08-12 · last 2026-08-17
Server
SSH-2.0-OpenSSH_8.4p1
Host key
ssh-ed25519 daa7cd57734145c9…
Raw response 
SSH-2.0-OpenSSH_8.4p1
25/tcp FTP first 2026-08-12 · last 2026-08-17
Banner
220 cp.mars-hydro.ua
Raw response 
220 cp.mars-hydro.ua
500 unrecognized command
500 unrecognized command
500 unrecognized command
500 Too many unrecognized commands
80/tcp HTTP nginx first 2026-08-12 · last 2026-08-17
Status
200 OK
Title
Success!
Server
nginx
Raw response 
HTTP/1.1 200 OK
Server: nginx
Date: Mon, 17 Aug 2026 08:17:09 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 1085
Connection: keep-alive
Last-Modified: Thu, 01 Feb 2024 15:29:25 GMT
ETag: "a1c-61053a911e96d-gzip"
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Encoding: gzip

��Vm��6���sT'�R���Y��zUO�^���p�N�1�]�#���V��k�!$�S+d<��g�2��W?����Ͽ�\��.�R��+���Q�3��~�L�9Q�k��3{�M%)��;rV���PYjVך�:_���)C�`����*J[�.��Z��́RVU���[K�O�4����Xi�%�q���L�B�|�����1D�x��ܯ ~��:�Yj�V�����\�V��~/�N�f��	^>>�i�?�1x���������Z�/L����'v`��V�
��	F�'�RV�P�UL��������]|(����A�9[)���Ct�#͞4�r��z��	�kj�%�G��ί�_�~����r�$��F��ξs쎽9��?�D�tƊ�1֌�r...<truncated>
443/tcp TLS first 2026-08-12 · last 2026-08-17
TLS
TLSv1.2
Certificate for
cp.mars-hydro.ua
Issued by
cp.mars-hydro.ua
Valid
2024-02-01 → 2025-01-31
Note
self-signed certificate
Raw response 
HTTP/1.1 400 Bad Request
Server: nginx
Date: Mon, 17 Aug 2026 08:17:09 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 650
Connection: close

<html>
<head><title>400 The plain HTTP request was sent to HTTPS port</title></head>
<body>
<center><h1>400 Bad Request</h1></center>
<center>The plain HTTP request was sent to HTTPS port</center>
<hr><center>nginx</center>
</body>
</html>
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Vulnerabilities

CVE history

Software versions this host showed earlier, when we saw each, why it no longer applies, and the CVEs matched on it then. None of them is counted.

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.

Hostnames pointing to this address

7 names · as answered by each domain's own name servers

mars-hydro.com.uafirst seen 2026-10-06
mail.mars-hydro.com.uafirst seen 2026-10-06
webmail.mars-hydro.com.uafirst seen 2026-10-06
mars-hydro.uafirst seen 2026-10-08
cp.mars-hydro.uafirst seen 2026-10-08
mail.mars-hydro.uafirst seen 2026-10-08
webmail.mars-hydro.uafirst seen 2026-10-08
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