443/tcp
TLS
first 2026-06-08 · last 2026-06-08
- TLS
- TLSv1.2
- Certificate for
- localhost
- Issued by
- localhost
- Valid
- 2017-12-05 → 2019-12-05
- Note
- self-signed certificate
Host
217.91.91.4
Tags: Self-signed certificate Expired certificate
As of our latest check on 2026-06-08, 217.91.91.4 (Deutsche Telekom AG, AS3320, Germany) had 1 open port (443) and no known CVEs.
Known CVEs on this host
1open port
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
- 443 · at our latest check, 2026-06-08
- Location
- Hannover, DE-NI · Germany DE
- Hostname
- pd95b5b04.dip0.t-ipconnect.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-STATIC01 · 217.91.0.0 - 217.91.127.255 · RIPE
- Abuse contact
- [email protected] · for DTAG-STATIC01
- First seen
- 2026-06-08 21:13 UTC
- Last seen alive
- 2026-06-08 21:15 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 (1)
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.