1&1 Public Key Infrastructure (PUKI) Public files

PUKI Root CA 1

Field	Description
Subject	O=1und1 Internet AG, OU=puki-admin at 1und1.de, CN=1und1 PUKI Root CA 1
Text encoded certificate	CRT
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`6B:DE:2B:46:BA:BF:52:1E:09:45:41:16:AE:CD:73:65:DE:79:EB:D9:49:FE:B3:9C:E9:F1:1C:2B:46:60:C0:CD`
Not Before	Feb 19 14:40:51 2015 GMT
Not After	Feb 16 14:40:51 2025 GMT

PUKI Issuing CA 3

Field	Description
Subject	O=IONOS SE, OU=puki-admin at 1und1.de, CN=PUKI Issuing CA 3
Issuer	O=1und1 Internet AG, OU=puki-admin at 1und1.de, CN=1und1 PUKI Root CA 1
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`F4:E0:93:43:F7:1D:73:70:C7:B9:E8:A4:83:0E:DF:94:42:5D:F7:9D:B4:0C:91:24:9C:25:C0:4A:53:08:93:C1`
Not Before	May 25 11:46:04 2021 GMT
Not After	~~May 24 11:46:04 2026 GMT~~ expiration date from Root CA 1 is used
Not After	Feb 16 14:40:51 2025 GMT
superordinate CA	PUKI Root CA 1

PUKI Automated Issuing CA 2

Field	Description
Subject	O=1und1 Internet SE, OU=puki-admin at 1und1.de, CN=1und1 PUKI Automated Issuing CA 2
Issuer	O=1und1 Internet AG, OU=puki-admin at 1und1.de, CN=1und1 PUKI Root CA 1
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`D4:04:C1:9A:66:0B:E7:C3:72:43:F5:62:A2:A7:2B:87:07:01:9B:5A:26:46:18:D2:37:DB:FE:2C:25:E7:93:20`
Not Before	Feb 5 15:56:46 2019 GMT
Not After	Feb 4 15:56:46 2024 GMT
superordinate CA	PUKI Root CA 1

PUKI Management CA 2

Field	Description
Subject	O=1und1 Internet SE, OU=puki-admin at 1und1.de, CN=1und1 PUKI Management CA 2
Issuer	O=1und1 Internet AG, OU=puki-admin at 1und1.de, CN=1und1 PUKI Root CA 1
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`01:57:88:D4:82:9B:57:51:5E:B0:60:1C:72:86:2B:12:A7:FF:0F:58:25:6E:2A:80:1F:F9:CE:32:29:74:A7:07`
Not Before	Feb 5 16:01:54 2019 GMT
Not After	Feb 4 16:01:54 2024 GMT
superordinate CA	PUKI Root CA 1

PUKI Root CA 2022 RSA

Field	Description
Subject	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 RSA
Text encoded certificate	CRT
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`85:AD:00:AC:C0:23:15:F9:43:6D:53:A4:AF:3E:5F:8C:D3:94:8E:7C:49:F7:BE:EA:75:8D:EE:4B:79:E8:0D:D4`
Not Before	Oct 6 12:31:58 2022 GMT
Not After	Oct 2 12:31:58 2037 GMT

PUKI Issuing CA 2022 RSA

Field	Description
Subject	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Issuing CA 2022 RSA
Issuer	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 RSA
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`94:D6:ED:4F:DA:02:98:F5:1E:78:C7:E0:6A:D6:E1:AD:DB:11:68:EC:77:31:6E:01:32:A7:4C:5A:08:97:D7:EA`
Not Before	Oct 6 12:36:10 2022 GMT
Not After	Oct 5 12:36:10 2027 GMT
superordinate CA	PUKI Root CA 2022 RSA

PUKI Automated Issuing CA 2022 RSA

Field	Description
Subject	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Automated Issuing CA 2022 RSA
Issuer	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 RSA
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`6F:5C:88:44:7A:4D:BD:E0:FB:5B:28:47:99:89:2E:80:7F:AF:1F:EE:7C:0C:A7:D7:CF:77:7A:09:60:C7:63:7D`
Not Before	Oct 6 12:38:05 2022 GMT
Not After	Oct 5 12:38:05 2027 GMT
superordinate CA	PUKI Root CA 2022 RSA

PUKI Management CA 2022 RSA

Field	Description
Subject	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Management CA 2022 RSA
Issuer	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 RSA
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`42:A6:A5:E4:15:4A:72:11:23:C4:7E:3A:F6:80:24:63:31:9A:01:28:67:14:21:39:24:DE:EA:05:FB:A4:EB:C5`
Not Before	Oct 6 12:41:07 2022 GMT
Not After	Oct 5 12:41:07 2027 GMT
superordinate CA	PUKI Root CA 2022 RSA

PUKI IONOS Office IT CA 2024 RSA

Field	Description
Subject	C = DE, O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI IONOS Office IT CA 2024 RSA
Issuer	C = DE, O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 RSA
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`2E:03:43:22:77:A2:64:09:AE:A6:23:11:FD:5B:EE:36:2F:C2:B1:07:06:1E:13:BC:48:E7:74:20:2A:17:1D:F9`
Not Before	Oct 9 12:20:18 2024 GMT
Not After	Oct 8 12:20:18 2029 GMT
superordinate CA	PUKI Root CA 2022 RSA

PUKI Root CA 2022 EC

Field	Description
Subject	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 EC
Text encoded certificate	CRT
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`A9:DF:21:91:4F:3B:53:E2:2E:7C:1F:12:FA:09:45:CF:57:54:AD:E5:AC:B1:F8:E6:8F:42:B3:24:33:BB:B8:1D`
Not Before	Oct 6 12:31:58 2022 GMT
Not After	Oct 2 12:31:58 2037 GMT

PUKI Issuing CA 2022 EC

Field	Description
Subject	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Issuing CA 2022 EC
Issuer	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 EC
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`42:F0:E7:B2:77:7A:92:22:D4:EA:5E:AB:B0:55:B2:AE:D5:5C:7A:DC:BA:AF:D0:CE:4F:34:41:3D:8B:5D:AF:BA`
Not Before	Oct 6 12:24:08 2022 GMT
Not After	Oct 5 12:24:08 2027 GMT
superordinate CA	PUKI Root CA 2022 EC

PUKI Automated Issuing CA 2022 EC

Field	Description
Subject	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Automated Issuing CA 2022 EC
Issuer	O = IONOS SE, OU = puki-admin at ionos.com, CN = PUKI Root CA 2022 EC
Text encoded certificate	CRT
Text encoded certificate chain	CRT Chain
Raw binary certificate	DER
Certificate Revocation List	CRL
SHA-256 fingerprint	`DF:9A:3F:A6:5B:16:07:8C:AF:08:94:DB:E4:AE:8A:73:84:38:B7:A2:3C:F9:F3:8C:75:3A:93:CB:3B:C9:23:84`
Not Before	Oct 6 12:19:18 2022 GMT
Not After	Oct 5 12:19:18 2027 GMT
superordinate CA	PUKI Root CA 2022 EC

Last update: 09.01.2025