As of our latest check on 2026-06-01, 134.93.178.4 (Johannes Gutenberg-Universitaet Mainz, AS2857, Germany) had 2 open ports (80, 443) and 33 known CVEs.
Known CVEs on this host
2open ports
0names pointing here
33known CVEs
0known exploited
Open ports and CVEs as of our latest check of this host, 2026-06-01.
CVEs by severity: CRITICAL 6HIGH 20MEDIUM 6LOW 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
HTTP/1.1 400 Bad Request
Date: Mon, 01 Jun 2026 06:44:47 GMT
Server: Apache/2.4.67
Strict-Transport-Security: max-age=15768000; includeSubDomains
X-XSS-Protection: 1; mode=block
Content-Length: 402
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>
</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.