104.255.173.7 — 4 open ports, 4 known CVEs, network Tier.Net Technologies LLC

Known CVEs on this host

4open ports

16names pointing here

4known CVEs

0known exploited

Open ports and CVEs as of our latest check of this host, 2026-08-27.

CVEs by severity: HIGH 2 MEDIUM 1 LOW 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: Tier.Net Technologies LLC AS397423
Open ports: 21, 25, 80, 443 · at our latest check, 2026-08-27
Location: United States US
Hostname: 7.qservers.net · reverse DNS, checked 2026-10-04
Route: 104.255.173.0/24 · announced by Tier.Net Technologies LLC AS397423 RPKI valid
Organisation: Tier.Net Technologies LLC · Content / hosting
Registry network: TN-CDC-BLK3 · 104.255.173.0 - 104.255.173.255 · Tier.Net Technologies LLC · ARIN
Abuse contact: [email protected] · for TN-CDC-BLK3
First seen: 2026-08-27 23:50 UTC
Last seen alive: 2026-08-27 23:54 UTC
Hosted domains: 16 names point here

Reputation

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

Services (4)

21/tcp FTP first 2026-08-27 · last 2026-08-27

Banner: 220---------- Welcome to Pure-FTPd [privsep] [TLS] ---------- 220-You are user number 2 of 50 allowed. 220-Local time is now 00:54. Server port: 21. 220-This is a private system - No anonymous logi

Raw response

220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 2 of 50 allowed.
220-Local time is now 00:51. Server port: 21.
220-This is a private system - No anonymous login
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.

25/tcp SMTP exim 4.99.5 4 CVEs first 2026-08-27 · last 2026-08-27

Banner: 220-7.qservers.net ESMTP Exim 4.99.5 #2 Fri, 28 Aug 2026 00:54:01 +0100 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.

Raw response

554 5.7.1 Misbehaved SMTP session (EarlyTalker)

80/tcp HTTP first 2026-08-27 · last 2026-08-27

Raw response

HTTP/1.1 200 OK
Date: Thu, 27 Aug 2026 23:51:28 GMT
Server: Apache
Upgrade: h2,h2c
Connection: Upgrade
Last-Modified: Tue, 13 Jan 2026 17:15:01 GMT
Accept-Ranges: bytes
Content-Length: 163
Cache-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Expires: 0
Content-Type: text/html

<html><head><META HTTP-EQUIV="Cache-control" CONTENT="no-cache"><META HTTP-EQUIV="refresh" CONTENT="0;URL=/cgi-sys/defaultwebpage.cgi"></head><body></body></html>

443/tcp TLS first 2026-08-27 · last 2026-08-27

TLS: TLSv1.2
Certificate for: qserversbackup.net, mail.qserversbackup.net, www.qserversbackup.net, cpanel.qserversbackup.net, webmail.qserversbackup.net, webdisk.qserversbackup.net, cpcontacts.qserversbackup.net, cpcalendars.qserversbackup.net
Issued by: qserversbackup.net
Valid: 2025-01-29 → 2026-01-29
Note: self-signed certificate

Raw response

HTTP/1.1 400 Bad Request
Date: Thu, 27 Aug 2026 23:51:28 GMT
Server: Apache
Content-Length: 523
Connection: close
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
Reason: You're speaking plain HTTP to an SSL-enabled server port.<br />
 Instead use the HTTPS scheme to access this URL, please.<br />
</p>
<p>Additionally, a 400 Bad Request
error was encountered while trying to use an ErrorDocument to handle the request.</p>
</body></html>

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.