As of our latest check on 2026-05-18, 31.209.151.130 (Hringdu ehf, AS51896, Iceland) had 2 open ports (80, 443) and 4 known CVEs, 1 known to be exploited.
Known CVEs on this host
2open ports
2names pointing here
4known CVEs
1known exploited
Open ports and CVEs as of our latest check of this host, 2026-05-18.
CVEs by severity: HIGH 3MEDIUM 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
Server: nginx/1.22.0 (Ubuntu)
Date: Mon, 18 May 2026 13:00:45 GMT
Content-Type: text/html
Content-Length: 666
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/1.22.0 (Ubuntu)</center>
</body>
</html>
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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.
Hostnames pointing to this address
2 names · as answered by each domain's own name servers