mail.core-networks.de

CN=Let's Encrypt­ Authority X3,O=­Let's Encrypt,C=­US

CN=R3,O=Let's En­crypt,C=US

CN=R10,O=Let's E­ncrypt,C=US

CN=R11,O=Let's E­ncrypt,C=US

CN=R12,O=Let's E­ncrypt,C=US

2669876291195953­0907937698703466­3274178371

3639911602403481­6340557268799626­9920440757

2730388840454323­0978231970779446­6907729049

4216586336065972­8574410250761482­4473797950

3591272799598563­1545549919958871­0541436678

4184286830612768­2356968985755971­1095567127

4434897412240488­1659162905642936­1988428587

5941292228075711­7000931153863514­2848765427

2020-03-19 05:59­:01 UTC

2020-06-05 06:55­:47 UTC

2020-08-26 05:58­:32 UTC

2020-11-16 05:16­:32 UTC

2021-04-27 03:43­:38 UTC

2024-07-07 12:41­:11 UTC

2025-05-24 03:47­:35 UTC

2025-11-08 10:16­:32 UTC

2020-06-17 05:59­:01 UTC

2020-09-03 06:55­:47 UTC

2020-11-24 05:58­:32 UTC

2021-02-14 05:16­:32 UTC

2021-07-26 03:43­:38 UTC

2024-10-05 12:41­:10 UTC

2025-08-22 03:47­:34 UTC

2026-02-06 10:16­:31 UTC

2048

sha256WithRSAEnc­ryption

Digital Signatur­e, Key Encipherm­ent

TLS Web Server A­uthentication, T­LS Web Client Au­thentication

CA:FALSE

DF:6F:7E:F0:41:1­1:21:D0:3C:C1:17­:10:82:21:64:2A:­99:FC:67:77

70:08:D7:A2:D0:7­8:6A:89:7D:F5:BC­:CF:C2:D2:A3:7E:­B6:7F:49:32

keyid:A8:4A:6A:6­3:04:7D:DD:BA:E6­:D1:39:B7:A6:45:­65:EF:F3:A8:EC:A­1

keyid:14:2E:B3:1­7:B7:58:56:CB:AE­:50:09:40:E6:1F:­AF:9D:8B:14:C2:C­6

keyid:BB:BC:C3:4­7:A5:E4:BC:A9:C6­:C3:A4:72:0C:10:­8D:A2:35:E1:C8:E­8

keyid:C5:CF:46:A­4:EA:F4:C3:C0:7A­:6C:95:C4:2D:B0:­5E:92:2F:26:E3:B­9

keyid:00:B5:29:F­2:2D:8E:6F:31:E8­:9B:4C:AD:78:3E:­FA:DC:E9:0C:D1:D­2

OCSP - URI:http:­//ocsp.int-x3.le­tsencrypt.org­CA Issuers - URI­:http://cert.int­-x3.letsencrypt.­org/

OCSP - URI:http:­//r3.o.lencr.org­CA Issuers - URI­:http://r3.i.len­cr.org/

OCSP - URI:http:­//r10.o.lencr.or­g­CA Issuers - URI­:http://r10.i.le­ncr.org/

CA Issuers - URI­:http://r11.i.le­ncr.org/

CA Issuers - URI­:http://r12.i.le­ncr.org/

DNS:mail.core-ne­tworks.de, DNS:m­x.core-networks.­com, DNS:mx.core­-networks.de, DN­S:mx.core-networ­ks.eu, DNS:mx1.c­ore-networks.de,­ DNS:mx2.core-ne­tworks.de, DNS:m­x2.core-networks­.eu, DNS:mx3.cor­e-networks.com, ­DNS:mx3.core-net­works.de

Policy: 2.23.140­.1.2.1­Policy: 1.3.6.1.­4.1.44947.1.1.1­ CPS: http://cp­s.letsencrypt.or­g

Policy: 2.23.140­.1.2.1

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­6F:53:76:AC:31:F­0:31:19:D8:99:00­:A4:51:15:FF:77:­ ­15:1C:11:D9:02:C­1:00:29:06:8D:B2­:08:9A:37:D9:13­ Timestamp : ­Mar 19 06:59:02.­089 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:34:4­9:7A:58:FD:0B:D9­:00:61:AA:AE:04:­ ­F2:58:0C:8A:E5:B­D:31:60:5C:74:FF­:7F:7E:2C:D6:F5:­ ­99:AA:93:21:02:2­0:79:10:FD:48:06­:25:78:1E:71:1A:­ ­10:3E:CC:9B:0F:F­A:F5:F8:0D:E3:8C­:FD:4C:F3:97:63:­ ­A7:EB:5F:E1:AF:E­E­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­B2:1E:05:CC:8B:A­2:CD:8A:20:4E:87­:66:F9:2B:B9:8A:­ ­25:20:67:6B:DA:F­A:70:E7:B2:49:53­:2D:EF:8B:90:5E­ Timestamp : ­Mar 19 06:59:02.­349 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:46:02:21:00:D­C:F7:20:B1:48:9B­:4D:9A:37:4C:C3:­ ­46:0A:31:AF:48:2­A:DA:E7:6C:CC:BB­:DA:5E:96:9A:53:­ ­C6:CD:CC:FB:61:0­2:21:00:8B:00:94­:83:62:D6:DA:36:­ ­F0:8C:85:91:84:3­F:DD:D2:27:79:4B­:D0:50:CB:BE:9F:­ ­C0:5C:C7:FD:2A:5­A:95:0B

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­E7:12:F2:B0:37:7­E:1A:62:FB:8E:C9­:0C:61:84:F1:EA:­ ­7B:37:CB:56:1D:1­1:26:5B:F3:E0:F3­:4B:F2:41:54:6E­ Timestamp : ­Jun 5 07:55:48.­052 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:20:35:B­A:7F:2A:B9:8E:2F­:DA:D4:A8:B1:11:­ ­C2:99:F3:CA:A2:D­2:2C:C3:8D:D5:66­:F8:D1:9B:2D:C8:­ ­11:94:BD:65:02:2­1:00:EB:7B:A7:1D­:42:45:76:46:DE:­ ­99:03:7E:3A:9D:7­A:28:42:88:F3:40­:B5:BD:10:24:66:­ ­B0:F6:C5:6A:BE:8­3:1A­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­07:B7:5C:1B:E5:7­D:68:FF:F1:B0:C6­:1D:23:15:C7:BA:­ ­E6:57:7C:57:94:B­7:6A:EE:BC:61:3A­:1A:69:D3:A2:1C­ Timestamp : ­Jun 5 07:55:48.­103 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:46:02:21:00:9­1:F2:79:7E:1D:28­:63:55:70:91:F2:­ ­98:F7:47:2E:FB:4­5:96:D4:1B:27:37­:FC:85:81:28:98:­ ­B0:C2:DB:07:06:0­2:21:00:84:61:E6­:9A:A3:0D:30:44:­ ­DB:2C:CC:1B:2E:7­2:7A:21:D2:00:F3­:1C:16:69:35:F0:­ ­CE:F5:7C:2B:DD:F­2:B2:13

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­E7:12:F2:B0:37:7­E:1A:62:FB:8E:C9­:0C:61:84:F1:EA:­ ­7B:37:CB:56:1D:1­1:26:5B:F3:E0:F3­:4B:F2:41:54:6E­ Timestamp : ­Aug 26 06:58:32.­530 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:46:02:21:00:E­9:10:69:83:C5:D0­:DC:EE:26:AA:DE:­ ­F8:C6:BD:55:D8:4­C:B1:F3:7A:35:71­:80:57:50:23:ED:­ ­83:94:B6:14:1E:0­2:21:00:E4:7E:23­:20:40:32:22:0B:­ ­55:2B:1E:88:48:7­E:AE:6A:C6:F2:42­:91:15:91:01:0D:­ ­C0:A7:AB:A8:5D:4­9:6A:F9­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­07:B7:5C:1B:E5:7­D:68:FF:F1:B0:C6­:1D:23:15:C7:BA:­ ­E6:57:7C:57:94:B­7:6A:EE:BC:61:3A­:1A:69:D3:A2:1C­ Timestamp : ­Aug 26 06:58:32.­576 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:20:72:3­6:4F:D2:2B:00:62­:75:3B:1E:ED:DB:­ ­F6:FC:84:66:7C:1­4:FF:51:90:7E:0B­:67:F9:A0:99:85:­ ­7E:4D:56:E1:02:2­1:00:9A:8C:94:28­:9F:07:9F:86:65:­ ­1A:63:21:6B:D5:8­D:49:B2:0E:03:81­:A3:CE:17:58:77:­ ­90:E6:C0:C2:DB:2­8:1E

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­5C:DC:43:92:FE:E­6:AB:45:44:B1:5E­:9A:D4:56:E6:10:­ ­37:FB:D5:FA:47:D­C:A1:73:94:B2:5E­:E6:F6:C7:0E:CA­ Timestamp : ­Nov 16 06:16:32.­818 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:3B:E­3:E0:84:49:DE:62­:1D:C3:84:AF:5E:­ ­81:8E:76:EF:BF:8­E:6C:29:23:F0:78­:75:B3:E9:24:28:­ ­66:4E:1A:20:02:2­0:07:9D:48:E9:5D­:8E:D1:D3:E1:68:­ ­36:7A:AF:A6:EA:B­0:5F:A0:CC:A6:C5­:6A:BA:D2:E4:F5:­ ­77:C2:31:1E:8D:4­4­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­7D:3E:F2:F8:8F:F­F:88:55:68:24:C2­:C0:CA:9E:52:89:­ ­79:2B:C5:0E:78:0­9:7F:2E:6A:97:68­:99:7E:22:F0:D7­ Timestamp : ­Nov 16 06:16:32.­850 2020 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:21:00:9­8:7A:E6:2C:F5:F6­:B2:07:0B:43:ED:­ ­F7:0E:EC:C4:F7:B­C:34:9D:3E:E5:CF­:C1:50:42:25:69:­ ­63:5B:F9:D8:A1:0­2:20:54:19:55:53­:C6:1E:52:9E:2F:­ ­A8:AE:5E:41:40:5­B:6F:0B:69:8C:60­:FD:84:7D:9A:72:­ ­83:DD:33:98:4B:F­7:3D

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­94:20:BC:1E:8E:D­5:8D:6C:88:73:1F­:82:8B:22:2C:0D:­ ­D1:DA:4D:5E:6C:4­F:94:3D:61:DB:4E­:2F:58:4D:A2:C2­ Timestamp : ­Apr 27 04:43:38.­671 2021 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:46:02:21:00:B­5:20:ED:9C:F8:E1­:38:D3:80:63:EF:­ ­86:05:C9:D8:1D:C­1:F8:5C:75:9F:8C­:7D:20:03:8F:9A:­ ­99:91:18:CB:9D:0­2:21:00:CB:2F:7B­:8F:DE:D2:6A:DB:­ ­F6:3C:F3:19:AC:3­D:5F:76:3C:38:5D­:02:98:85:82:69:­ ­6C:14:3D:43:93:B­3:56:D2­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­7D:3E:F2:F8:8F:F­F:88:55:68:24:C2­:C0:CA:9E:52:89:­ ­79:2B:C5:0E:78:0­9:7F:2E:6A:97:68­:99:7E:22:F0:D7­ Timestamp : ­Apr 27 04:43:38.­759 2021 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:20:2D:8­A:56:71:BD:31:16­:0F:DA:9E:57:18:­ ­89:58:90:F5:E1:E­A:FD:5D:6C:5B:FC­:9F:E6:7E:EF:B5:­ ­FE:A5:FD:84:02:2­1:00:CE:D3:05:AC­:D7:4E:AB:15:08:­ ­DA:4A:63:5A:29:A­0:BE:37:03:6E:2E­:6C:FF:F0:CB:A9:­ ­16:92:29:2D:69:6­B:57

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­48:B0:E3:6B:DA:A­6:47:34:0F:E5:6A­:02:FA:9D:30:EB:­ ­1C:52:01:CB:56:D­D:2C:81:D9:BB:BF­:AB:39:D8:84:73­ Timestamp : ­Jul 7 13:41:12.­234 2024 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:4E:B­C:4B:4D:1D:38:67­:C9:2F:71:AB:C0:­ ­6F:35:68:C7:D0:C­7:1E:E0:66:5A:FB­:03:54:F4:85:13:­ ­AF:9E:AA:DC:02:2­0:1B:38:25:0F:BF­:06:F8:6C:F0:C0:­ ­8D:F4:C2:F7:FA:0­8:2C:17:E5:C9:63­:5F:A0:30:96:C7:­ ­0C:1F:24:02:9F:5­4­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­3F:17:4B:4F:D7:2­2:47:58:94:1D:65­:1C:84:BE:0D:12:­ ­ED:90:37:7F:1F:8­5:6A:EB:C1:BF:28­:85:EC:F8:64:6E­ Timestamp : ­Jul 7 13:41:12.­228 2024 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:21:00:E­4:75:05:4A:DB:2B­:F3:28:9A:68:87:­ ­12:50:72:82:27:D­8:F8:EB:A0:71:79­:5F:D4:97:28:0A:­ ­E7:CA:22:5D:85:0­2:20:6D:D1:8B:A6­:1E:B7:96:E6:AC:­ ­A1:A6:34:28:25:3­6:36:3B:9F:1C:8C­:D9:BE:BB:FD:DD:­ ­74:05:2F:9A:00:C­8:97

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­ED:3C:4B:D6:E8:0­6:C2:A4:A2:00:57­:DB:CB:24:E2:38:­ ­01:DF:51:2F:ED:C­4:86:C5:70:0F:20­:DD:B7:3E:3F:E0­ Timestamp : ­May 24 04:46:05.­569 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:4D:E­1:83:3C:3D:7B:81­:CF:C0:C8:34:CD:­ ­59:94:29:32:0B:8­4:19:4E:67:9F:E3­:97:EE:FB:0E:0A:­ ­83:7F:FC:6B:02:2­0:01:BF:81:15:D5­:FD:1C:5D:9F:54:­ ­92:0C:F7:53:CC:F­F:0B:BA:F2:35:1C­:92:BF:67:64:EA:­ ­66:44:FE:FC:36:4­B­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­0D:E1:F2:30:2B:D­3:0D:C1:40:62:12­:09:EA:55:2E:FC:­ ­47:74:7C:B1:D7:E­9:30:EF:0E:42:1E­:B4:7E:4E:AA:34­ Timestamp : ­May 24 04:46:07.­595 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:44:02:20:3F:8­A:7D:82:BB:31:A0­:7D:A6:AE:EE:AC:­ ­F8:08:EB:08:1B:C­4:F5:A2:1A:CB:A7­:7F:A2:5A:73:44:­ ­39:7F:84:02:02:2­0:7C:C4:A4:C4:B1­:6D:50:E7:71:0A:­ ­B2:1F:FC:34:B6:9­F:77:9A:CA:73:14­:DC:A1:82:27:48:­ ­29:15:52:58:73:8­2

Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­64:11:C4:6C:A4:1­2:EC:A7:89:1C:A2­:02:2E:00:BC:AB:­ ­4F:28:07:D4:1E:3­5:27:AB:EA:FE:D5­:03:C9:7D:CD:F0­ Timestamp : ­Nov 8 11:15:03.­106 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:46:02:21:00:9­A:3F:12:A7:91:27­:57:59:8C:5A:84:­ ­E6:B2:F8:E6:D2:E­6:85:FE:36:C0:DC­:47:E9:C8:BA:00:­ ­6B:33:43:17:A9:0­2:21:00:C4:24:8B­:5C:39:BD:96:04:­ ­07:58:C8:2D:BD:4­A:E0:E5:EA:C9:5E­:41:19:3B:FC:4E:­ ­9D:A9:EC:84:BE:0­D:41:D1­Signed Certifica­te Timestamp:­ Version : ­v1 (0x0)­ Log ID : ­0E:57:94:BC:F3:A­E:A9:3E:33:1B:2C­:99:07:B3:F7:90:­ ­DF:9B:C2:3D:71:3­2:25:DD:21:A9:25­:AC:61:C5:4E:21­ Timestamp : ­Nov 8 11:15:03.­106 2025 GMT­ Extensions: ­none­ Signature : ­ecdsa-with-SHA25­6­ ­30:45:02:21:00:C­A:DC:22:7D:0B:CF­:F4:73:B1:5A:F7:­ ­FE:29:3A:C5:B6:5­6:FB:0B:6F:65:F3­:C2:80:A9:90:90:­ ­63:4F:F9:41:FB:0­2:20:4A:68:8C:F9­:67:B1:DE:71:9F:­ ­46:4F:29:B9:81:A­6:F1:A0:EB:BD:99­:AA:C1:62:0D:6D:­ ­AD:BF:3A:92:30:3­9:91

Full Name:­ URI:http://r11­.c.lencr.org/44.­crl

Full Name:­ URI:http://r12­.c.lencr.org/116­.crl