Skip to content

cubdomaincubdomain

Analyse a domain

↑↓moveEnteropenEscclose

Tools Domains by date Extension Contact

Domain intelligence and free developer tools — WHOIS, DNS, SSL, SEO and newly registered domains, updated daily.

Popular toolsWHOIS Lookup DNS Lookup SSL Checker SEO Checker What is my IP All tools →

CubDomainAbout Contact Domains by date Blog Domain prices Registrars Our crawler Status (opens in a new tab)

ExtensionChrome (opens in a new tab)Firefox (opens in a new tab)Edge (opens in a new tab)Opera (opens in a new tab)Brave (opens in a new tab)

LegalPrivacy Policy Terms & Conditions Cookies Policy Disclaimer

© 2026 CubDomain.com. All rights reserved.

X (opens in a new tab)LinkedIn (opens in a new tab)YouTube (opens in a new tab)Reddit (opens in a new tab)Facebook (opens in a new tab)Pinterest (opens in a new tab)

t-systems.ch SSL Certificate – Expired, expires 7 Jan 2025 | CubDomain

Tools Domains by date Extension Contact

Log in Sign up free

Home
/
Domain reports
/
t-systems.ch
/
SSL certificate

T

t-systems.chSSL certificate & chain

Status: Expired
Expires in: Expired
Issuer: Deutsche Telekom Security GmbH
Chain: 3 certificates

Report Similar sites SSL certificate Same IP16 History Blocklists Subdomains Look-alikes Other extensions Reviews Blog

Chain1 · Site certificatet-systems.com 2 · IntermediateTelekom Security ServerID OV Class 2 CA 3 · RootT-TeleSec GlobalRoot Class 2

Advertisement

Certificate chain

1 · Site certificateExpiredt-systems.comIssued by Telekom Security ServerID OV Class 2 CAExpires 7 Jan 2025
2 · IntermediateValidTelekom Security ServerID OV Class 2 CAIssued by T-TeleSec GlobalRoot Class 2Expires 2 Aug 2027
3 · RootValidT-TeleSec GlobalRoot Class 2Self-signed rootExpires 1 Oct 2033

Each certificate is shown in full below, from the site's own to the root.

1

Site certificate

t-systems.com

Expired

Issued to

Common name (CN): t-systems.com
Organisation (O): Deutsche Telekom IT GmbH
Country (C): DE
State (ST): Nordrhein-Westfalen
Locality (L): Bonn

Issued by

Common name (CN): Telekom Security ServerID OV Class 2 CA
Organisation (O): Deutsche Telekom Security GmbH
Country (C): DE

Validity

Valid from: 3 Jan 2024, 01:39 UTC
Valid until: 7 Jan 2025, 15:59 UTC
Days remaining: Expired 648 days ago

Technical details

Serial number: 23:DD:5F:C3:BD:11:5D:74:9C:22:37:EB:60:73:AE:9F
Signature algorithm: —

2

Intermediate

Telekom Security ServerID OV Class 2 CA

Valid

Issued to

Common name (CN): Telekom Security ServerID OV Class 2 CA
Organisation (O): Deutsche Telekom Security GmbH
Country (C): DE

Issued by

Common name (CN): T-TeleSec GlobalRoot Class 2
Organisation (O): T-Systems Enterprise Services GmbH
Unit (OU): T-Systems Trust Center
Country (C): DE

Validity

Valid from: 2 Aug 2022, 02:16 UTC
Valid until: 2 Aug 2027, 16:59 UTC
Days remaining: 288

Technical details

Serial number: 0E:5D:29:89:15:C4:04:31:A4:E1:C4:CA:48:8B:8E:A3
Signature algorithm: —

3

Root

T-TeleSec GlobalRoot Class 2

Valid

Issued to

Common name (CN): T-TeleSec GlobalRoot Class 2
Organisation (O): T-Systems Enterprise Services GmbH
Unit (OU): T-Systems Trust Center
Country (C): DE

Issued by

Common name (CN): Self-signed
Organisation (O): T-Systems Enterprise Services GmbH
Unit (OU): T-Systems Trust Center
Country (C): DE

Validity

Valid from: 1 Oct 2008, 03:40 UTC
Valid until: 1 Oct 2033, 16:59 UTC
Days remaining: 2540

Technical details

Serial number: 01
Signature algorithm: —