This service provide certificate information from hostname: smtp.franko.su
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
06:d5:17:05:2d:85:26:ca:f1:6e:97:52:d0:2d:b4:d7:b9:b8
Signature Algorithm: ecdsa-with-SHA384
Issuer: C = US, O = Let's Encrypt, CN = E5
Validity
Not Before: May 30 08:15:56 2025 GMT
Not After : Aug 28 08:15:55 2025 GMT
Subject: CN = auth.core10.tech
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:57:bc:05:fd:ad:1c:2a:4b:bd:ca:99:fe:de:95:
3b:af:03:5a:0e:41:3a:bf:b8:2a:2b:34:2a:6e:12:
99:9f:66:00:b4:a3:20:ef:44:85:39:ad:53:c7:a1:
04:b3:9e:3b:da:ab:8a:40:28:95:da:b3:79:08:32:
24:fb:74:cd:dd
ASN1 OID: prime256v1
NIST CURVE: P-256
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature
X509v3 Extended Key Usage:
TLS Web Server Authentication, TLS Web Client Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
2D:05:AD:A0:52:27:BE:CC:F2:4F:2E:BD:E8:FA:8D:1C:01:6C:2C:74
X509v3 Authority Key Identifier:
9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
Authority Information Access:
CA Issuers - URI:http://e5.i.lencr.org/
X509v3 Subject Alternative Name:
DNS:auth.core10.tech
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://e5.c.lencr.org/57.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A4:42:C5:06:49:60:61:54:8F:0F:D4:EA:9C:FB:7A:2D:
26:45:4D:87:A9:7F:2F:DF:45:59:F6:27:4F:3A:84:54
Timestamp : May 30 09:14:26.296 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:D2:07:3F:CB:74:9B:E6:88:BF:61:B0:
F1:48:CD:A0:78:81:A3:A8:79:E6:43:1D:BE:83:6B:17:
2E:C6:71:1B:E0:02:20:7D:8D:33:7B:29:CD:85:F6:8D:
21:FC:AB:38:CC:7A:45:EC:88:E8:21:5A:5E:F9:F3:FB:
B6:6F:C6:CC:79:30:16
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
Timestamp : May 30 09:14:26.293 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:9A:23:35:5A:66:32:64:2D:97:A2:47:
20:F9:08:87:E6:AB:68:60:07:E1:B2:B5:D0:EC:15:9A:
AA:DA:20:FA:A4:02:20:5E:3C:02:6D:11:9C:94:D5:4D:
3C:BE:53:12:B8:E3:87:27:67:91:68:9C:CE:22:DA:D8:
60:91:30:F9:00:5C:5B
Signature Algorithm: ecdsa-with-SHA384
Signature Value:
30:65:02:30:0f:67:87:9d:a7:52:bf:bf:86:f4:b5:08:af:a6:
fe:d7:1d:a7:55:18:52:ea:ef:2a:70:b3:97:3c:eb:8c:db:2a:
79:35:63:11:ce:c7:97:c5:a4:b2:22:fb:a9:6d:98:0d:02:31:
00:de:84:0e:da:1e:79:d9:a4:33:06:56:87:05:d3:50:35:b3:
f8:26:9a:08:3d:d1:d9:6f:ea:de:95:9e:ac:9b:40:4d:bd:e6:
5a:fa:f5:da:9d:6b:a2:b3:c7:bc:7e:47:44
-----BEGIN CERTIFICATE-----
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RA==
-----END CERTIFICATE-----