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CA Owner · Austria

A-Trust

Documentation

Document Repository: https://www.a-trust.at/de/Support/Downloads/Certificate%20Practice%20Statement/; https://www.a-trust.at/de/Support/Downloads/Certificate%20Policies/

Problem Reporting

servicecenter[at]a-trust[dot]at

Mozilla CA Program — Known Bugzilla Cases (4)

#2033449 ASSIGNED 2026-04-20

Add A-Trust SMIME Root

#1972887 RESOLVED 2025-06-18

A-Trust: TLS non-compliance detected during linter implementation

#1092963 RESOLVED 2014-11-03

Add Renewed A-Trust-Root-05 root certificate

#530797 RESOLVED 2009-11-24

Add Root CA "A-Trust" to trusted list

Certificates (11)

a-sign-Root-SMIME-01

Root M: Not Yet Included C: Not Included A: Not Included M: Not Included 2025-08-13 – 2038-01-13

A-Trust-nQual-01

Root M: Not Yet Included C: Not Included A: Not Included M: Removed 2004-11-30 – 2014-11-30

A-Trust-nQual-03

Root M: Removed C: Not Included A: Not Included M: Removed 2005-08-17 – 2015-08-17

A-Trust-nQual-03

Root M: Not Yet Included C: Not Included A: Not Included M: Disabled 2014-07-23 – 2025-07-23

A-Trust-Qual-01

Root M: Not Yet Included C: Not Included A: Not Included M: Removed 2004-11-30 – 2014-11-30

A-Trust-Qual-02

Root M: Not Yet Included C: Not Included A: Not Included M: Removed 2004-12-02 – 2014-12-02

A-Trust-Qual-02

Root M: Not Yet Included C: Not Included A: Not Included M: Disabled 2014-07-01 – 2024-07-01

A-Trust-Qual-03

Root M: Not Yet Included C: Not Included A: Not Included M: Disabled 2008-04-24 – 2018-04-24

A-Trust-Root-05

Root M: Not Yet Included C: Not Included A: Not Included M: Disabled 2013-09-23 – 2023-09-20

A-Trust-Root-07

Root M: Not Yet Included C: Not Included A: Not Included M: Included 2018-05-17 – 2036-11-19

A-Trust-Root-09

Root M: Not Yet Included C: Not Included A: Not Included M: Included 2023-02-21 – 2036-07-14