Host

217.75.220.34

Tags: Expired certificate

As of our latest check on 2026-06-08, 217.75.220.34 (ISP Alliance a.s., AS210712, Czechia) had 1 open port (443) and no known CVEs.

Known CVEs on this host

1open port
2names pointing here
0known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-08.

No known CVEs on this host.

Network
ISP Alliance a.s. AS210712
Open ports
443 · at our latest check, 2026-06-08
Location
Czechia CZ
Route
217.75.208.0/20 · announced by ISP Alliance a.s. AS210712 RPKI valid
Organisation
ISP Alliance a.s.
Registry network
PrimeNET · 217.75.220.0 - 217.75.220.255 · RIPE
Abuse contact
[email protected] · for PrimeNET
First seen
2026-06-08 08:59 UTC
Last seen alive
2026-06-08 09:00 UTC
Hosted domains
2 names point here

Reputation

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

Services (1)

443/tcp TLS first 2026-06-08 · last 2026-06-08
TLS
TLSv1.2
Certificate for
gitlab.roechling-services.cz, license-server-dev.roechling-services.cz, license-server.roechling-services.cz, registry.roechling-services.cz, rita-license-dev.roechling.com, rita-license.roechling.com
Issued by
R12
Valid
2026-05-15 → 2026-08-13
Raw response
HTTP/1.1 400 Bad Request
Server: nginx
Date: Mon, 08 Jun 2026 08:59:42 GMT
Content-Type: text/html
Content-Length: 650
Connection: close
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Frame-Options: SAMEORIGIN
Referrer-Policy: origin
Content-Security-Policy: default-src 'self' https://*.roechling.com https://*.roechling-services.cz https://*.cloudfront.net/ data: 'unsafe-inline'; script-src 'self' https://*.roechling.com https://*.roechling-services.cz 'unsafe-inline' 'unsafe-eval'; img-src * data:;worker-src 'self' blob:;
X-Permitted-Cross-Domain-Policies: master-only

<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 Chrom

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

rita-license.roechling.comfirst seen 2026-10-17
rita-license-dev.roechling.comfirst seen 2026-10-17