21/tcp
FTP
first 2026-08-28 · last 2026-08-28
- Banner
- 220 Welcome! Please note that all activity is logged.
Raw response
220 Welcome! Please note that all activity is logged.
Host
104.255.228.205
Tags: Self-signed certificate
As of our latest check on 2026-08-28, 104.255.228.205 (Tier.Net Technologies LLC, AS397423, United States) had 4 open ports (21, 22, 25, 443) and 33 known CVEs.
Known CVEs on this host
4open ports
0names pointing here
33known CVEs
0known exploited
Open ports and CVEs as of our latest check of this host, 2026-08-28.
CVEs by severity: CRITICAL 1 HIGH 9 MEDIUM 12 LOW 11
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
Not counted: 1 only affects a particular platform; this host's is not known (openssh 9.6p1). See them
- Network
- Tier.Net Technologies LLC AS397423
- Open ports
- 21, 22, 25, 443 · at our latest check, 2026-08-28
- Location
- United States US
- Route
- 104.255.228.0/24 · announced by Tier.Net Technologies LLC AS397423 no RPKI authorisation
- Organisation
- Tier.Net Technologies LLC · Content / hosting
- Registry network
- TTL-100 · 104.255.228.0 - 104.255.228.255 · Tier.Net Technologies LLC · ARIN
- Abuse contact
- [email protected] · for TTL-100
- First seen
- 2026-08-28 02:44 UTC
- Last seen alive
- 2026-08-28 02:48 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)
- Server
- SSH-2.0-OpenSSH_9.6p1
- Host key
- ssh-ed25519 d33ae3477666f6a7…
Raw response
SSH-2.0-OpenSSH_9.6p1
25/tcp
SMTP
first 2026-08-28 · last 2026-08-28
- Banner
- 220 host.tempvault.xyz ESMTP
Raw response
220 host.tempvault.xyz ESMTP 500 unrecognized command 500 unrecognized command 500 unrecognized command 500 Too many unrecognized commands
443/tcp
TLS
first 2026-08-28 · last 2026-08-28
- TLS
- TLSv1.2
- Certificate for
- host.tempvault.xyz
- Issued by
- host.tempvault.xyz
- Valid
- 2026-07-07 → 2027-07-07
- Note
- self-signed certificate
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Fri, 28 Aug 2026 02:45:15 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> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page --> <!-- a padding to disable MSIE and Chrome friendly error page -->
Vulnerabilities
Only affects certain platforms (1)
These CVEs only apply when the software runs on a particular platform (for example Windows), and this host's platform is not known. They are not counted. 1 of them is known to be exploited.
CVEs by severity: HIGH 1
| CVE | Software |
|---|---|
| CVE-2026-123158 HIGH 8.1 known exploited | openssh 9.6p1 · port 22 |
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.