This service provide certificate information from hostname: mail.usfsg.com
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
05:52:5b:a3:81:87:62:96:1e:46:46:4d:68:0a:e3:22:00:32
Signature Algorithm: sha256WithRSAEncryption
Issuer: C = US, O = Let's Encrypt, CN = R11
Validity
Not Before: Jun 1 04:20:23 2025 GMT
Not After : Aug 30 04:20:22 2025 GMT
Subject: CN = catchall-server-default.s457.sureserver.com
Subject Public Key Info:
Public Key Algorithm: rsaEncryption
Public-Key: (2048 bit)
Modulus:
00:cf:bb:f4:4b:ab:6b:cf:1a:cd:1c:49:82:3b:1e:
14:24:26:ec:ab:73:85:c3:ce:bf:21:dd:29:6f:02:
cc:1a:3f:b6:72:40:9b:71:a5:af:8a:7e:25:94:68:
62:57:7b:ab:a8:ee:84:2b:29:af:77:79:d8:7a:c1:
7f:24:d7:ae:e6:12:f0:8f:4f:33:ad:69:2c:88:74:
08:42:0c:99:2f:bc:99:26:70:42:5e:d5:56:1f:79:
55:3b:0d:7a:c3:b3:16:63:e1:cb:d3:f8:1d:9c:00:
1d:85:b8:d2:7e:aa:ab:32:d6:8e:82:35:b9:57:10:
f9:90:b1:96:ea:be:92:02:93:64:14:02:97:70:79:
df:8f:59:80:fc:2e:c2:24:ba:54:af:e7:83:c5:b9:
e2:84:e8:fd:6b:a9:73:88:ee:26:9e:3d:63:db:50:
1e:02:4a:c6:f9:88:1e:21:2f:7d:b5:1b:da:4c:bc:
b8:27:e6:35:9b:82:12:c9:3b:13:57:8f:fd:e4:1c:
80:17:8b:3e:54:9f:e7:1e:5f:de:fc:17:83:e3:eb:
00:e5:36:19:60:4c:73:3b:f6:7e:db:6a:89:86:63:
08:9b:89:0d:dc:7e:d9:f4:e3:7a:27:d6:63:94:43:
b9:cd:d2:d0:c9:6f:c7:9a:40:b5:18:a1:3c:fe:04:
65:4b
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:
80:A1:CE:06:53:02:43:3F:43:54:CC:5C:D4:AC:47:E0:C4:8D:4F:D4
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:catchall-server-default.s457.sureserver.com
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://r11.c.lencr.org/51.crl
CT Precertificate SCTs:
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 : Jun 1 05:18:53.889 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:6A:FB:49:B1:C8:66:66:68:31:43:6A:9B:
C8:FA:8D:B3:01:36:F1:34:89:E2:F1:9D:E5:4A:D8:9A:
DD:33:1B:9B:02:20:63:93:69:49:B4:F7:FC:89:B3:64:
34:12:30:55:6E:14:EE:8B:B3:9D:15:95:CB:AF:AD:6D:
22:C7:92:21:D7:C8
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
Timestamp : Jun 1 05:18:53.907 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:D4:6C:C0:6D:92:96:E9:16:E7:F2:22:
9F:A7:41:93:5D:25:5B:D9:BE:5E:28:53:BF:B1:3C:C4:
43:E5:7F:9B:18:02:20:5E:09:4D:A6:83:7A:CD:61:87:
0F:F4:72:A6:9D:5D:AF:98:60:8B:11:D1:9F:79:6D:46:
45:EF:77:B2:79:F0:52
Signature Algorithm: sha256WithRSAEncryption
Signature Value:
1f:c6:e8:56:7a:e2:34:81:8f:5f:0e:f8:78:f0:1c:8a:77:41:
84:ce:08:53:eb:7a:a5:63:d7:2e:4f:62:7c:ee:e4:cd:f6:6d:
0c:23:e1:ad:8e:29:a6:f2:45:c3:3c:eb:85:a6:eb:41:c7:a3:
ba:44:9d:ab:fd:cd:db:d7:97:ab:e5:4b:39:28:13:58:98:e5:
7b:b4:dd:8d:e3:e3:6f:4a:11:60:42:49:c1:9e:ed:c3:3b:ed:
01:ef:d1:a0:86:a2:97:28:68:89:8e:c6:c7:12:75:85:ea:23:
83:0e:82:63:94:81:0c:9c:5b:d3:a2:51:e4:d6:81:0d:c2:6c:
17:29:cd:84:cd:34:c6:f7:28:92:eb:d4:f8:e4:12:fa:18:4c:
2d:89:7d:3a:fb:57:96:d3:83:ca:31:24:8e:bd:71:bf:0f:6a:
b2:f5:3a:fc:1d:1c:4b:4e:a3:88:13:8d:1f:26:7d:93:4b:52:
4b:5b:ed:4e:13:eb:32:ab:d6:8f:a1:d4:89:32:25:2a:e5:fb:
80:0e:d6:14:ee:a9:1b:5c:20:a8:98:38:bf:90:bf:45:09:d0:
c9:79:e7:0b:48:69:6c:62:3d:c9:5b:cf:be:6c:e9:33:59:b2:
d3:c1:68:0c:8a:3e:d2:c1:d0:76:95:9f:de:ba:9f:0f:c2:53:
e1:86:f6:31
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----