This service provide certificate information from hostname: b2bserver.de
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:c0:f5:37:61:6b:61:3d:b5:f3:b0:7b:0a:ef:73:86:65:86
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R11
Validity
Not Before: Jun 21 19:36:54 2025 GMT
Not After : Sep 19 19:36:53 2025 GMT
Subject: CN = b2bserver.de
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:c6:2f:cc:aa:b7:b5:88:98:e4:73:62:c2:e0:12:
8d:de:8a:d7:ac:54:38:5c:b9:3b:dc:54:91:ac:ee:
0e:c9:a9:7d:b4:7b:75:ad:18:45:08:bb:a5:82:ba:
49:75:b3:80:f9:a0:87:a7:47:2f:11:50:62:db:9b:
40:8e:e7:c5:5c:69:d4:73:bc:35:04:21:6b:00:7d:
e2:c4:b2:6f:e1:53:e7:dc:b9:fb:cb:d2:1e:a6:da:
ee:9f:d3:26:40:cb:49:df:a2:d7:a4:21:bb:90:e4:
bf:bf:56:56:c1:68:5d:57:42:58:c2:cb:dc:d4:38:
77:29:90:1e:ce:88:39:a4:22:28:c5:19:0b:23:42:
3b:13:b7:9e:8c:fd:cc:69:81:8a:d9:03:40:5a:42:
09:d1:09:f1:60:a5:fb:ed:c5:11:51:50:29:3a:58:
e2:4c:a6:9a:bb:fa:7b:f2:65:c8:02:3d:a1:1b:96:
23:c4:a0:78:7c:96:ad:c1:62:b8:d4:85:c0:c9:63:
5b:cc:a4:ec:0e:b1:a9:06:e3:b1:0d:69:8d:a1:d9:
53:98:68:74:37:f4:7f:5d:2d:29:74:32:f0:4b:06:
79:02:87:0c:25:e2:e4:06:48:98:a2:d9:82:ed:6e:
9b:99:f4:07:b6:89:fa:db:21:90:bd:93:be:3f:01:
1d:d3
Exponent: 65537 (0x10001)
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature, Key Encipherment
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
A2:1B:C1:23:52:E8:40:64:E2:B6:1E:B7:F7:ED:E5:89:C4:CC:A9:0F
X509v3 Authority Key Identifier:
C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9
Authority Information Access:
CA Issuers - URI:http://r11.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:b2bserver.de, DNS:webmail.b2bserver.de, DNS:www.b2bserver.de
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r11.c.lencr.org/7.crl
CT Precertificate SCTs:
Signed 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 : Jun 21 20:35:24.426 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:F4:B6:0A:6F:AF:8C:3A:86:D3:A1:B8:
E6:0D:E5:F0:1D:03:71:08:8C:3D:5E:FC:47:1E:B5:E9:
05:B8:DB:7E:00:02:20:23:74:EE:A1:CB:55:B9:B0:E9:
A2:6B:32:A3:3E:D2:A6:FB:A5:42:2D:E3:45:6F:17:B3:
93:13:8F:25:8E:A8:CA
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
Timestamp : Jun 21 20:35:24.444 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:7C:25:A5:AD:65:F5:36:59:CB:A2:2B:B2:
1E:D8:43:14:F3:71:26:71:47:35:21:30:D1:2B:11:3A:
80:B5:0F:7B:02:21:00:C4:A8:2B:82:95:24:72:50:1B:
E0:D4:73:41:29:25:8D:5F:2D:5B:EB:45:88:46:D7:C0:
8F:8B:66:FC:59:E7:83
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
52:5a:60:57:b9:fd:a0:5e:25:d5:15:d4:7c:f4:ef:b2:f5:30:
9d:36:aa:a2:55:6c:f8:f1:5f:e7:53:0f:9b:ca:73:55:94:87:
4c:f0:93:44:29:ad:0a:3c:80:e9:ec:40:9d:6c:7f:30:7b:4d:
1e:dc:a4:bf:74:e6:eb:69:eb:a2:c2:f3:7c:ad:9e:97:d4:65:
c0:d0:d0:78:d7:03:e6:40:b7:40:60:c9:82:e8:4c:dc:5d:be:
ac:4d:40:96:ee:ea:c9:b0:1c:9f:06:4d:be:54:f1:01:3a:dc:
9d:f3:67:d3:10:58:4c:e8:51:b3:1b:ac:8c:f3:c2:53:e9:e3:
6c:d0:92:c8:76:eb:31:a0:7b:b1:4a:1e:20:c4:4d:0e:d7:03:
86:89:c8:51:84:38:6d:bf:64:05:74:79:e3:ef:82:e2:95:d6:
53:96:d0:48:31:46:02:8f:d3:d5:d6:de:b8:41:2c:8b:7b:68:
69:dd:6f:11:c1:f9:93:0b:4e:dd:98:02:7b:06:a1:60:f0:40:
80:f8:2b:08:0b:fa:97:9b:9e:6b:a6:94:31:23:cf:a9:97:4b:
21:16:11:5b:a1:a5:95:04:21:ba:57:02:73:aa:7f:80:02:e8:
33:20:ee:49:25:3b:8b:78:d0:7c:3e:be:ff:17:2e:04:bc:b3:
7c:24:cf:54
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----