217.91.208.210 — 2 open ports, 0 known CVEs, network Deutsche Telekom AG

Known CVEs on this host

2open ports

0names 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: Deutsche Telekom AG AS3320
Open ports: 80, 443 · at our latest check, 2026-06-08
Location: Dortmund, DE-NW · Germany DE
Hostname: autodiscover.rednitzhembach.de, firewall.rednitzhembach.de, outlook.rednitzhembach.de · reverse DNS, checked 2026-10-05
Route: 217.80.0.0/12 · announced by Deutsche Telekom AG AS3320 RPKI valid
Organisation: Deutsche Telekom AG · Network service provider (transit)
Registry network: DTAG-STATIC05 · 217.91.128.0 - 217.92.255.255 · RIPE
Abuse contact: [email protected] · for DTAG-STATIC05
First seen: 2026-06-08 21:14 UTC
Last seen alive: 2026-06-08 21:20 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 (2)

80/tcp HTTP first 2026-06-08 · last 2026-06-08

Raw response

HTTP/1.1 502 Bad Gateway
Server: nginx/1.24.0
Date: Mon, 08 Jun 2026 21:19:26 GMT
Content-Type: text/html
Content-Length: 559
Connection: keep-alive

<html>
<head><title>502 Bad Gateway</title></head>
<body>
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx/1.24.0</center>
</body>
</html>
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443/tcp TLS first 2026-06-08 · last 2026-06-08

TLS: TLSv1.2
Certificate for: autodiscover.rednitzhembach.de, firewall.rednitzhembach.de, outlook.rednitzhembach.de
Issued by: R13
Valid: 2026-05-25 → 2026-08-23

Raw response

HTTP/1.1 400 Bad Request
Server: nginx/1.24.0
Date: Mon, 08 Jun 2026 21:19:23 GMT
Content-Type: text/html
Content-Length: 657
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/1.24.0</center>
</body>
</html>
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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.

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