DV SSL/TLS Certificate for cascem.org.mx

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the cascem.org.mx DV SSL/TLS Certificate

This certificate with serial number 05:5d:5b:16:3e:fd:18:b0:fa:dc:73:7f:f0:31:a6:3d:1b:a6 for cascem.org.mx was issued on by Let's Encrypt.

With 3 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for cascem.org.mx provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:5d:5b:16:3e:fd:18:b0:fa:dc:73:7f:f0:31:a6:3d:1b:a6
Serial Number (int): 467328765038157587584206045317862692559782
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 4e:b3:d9:ef:d3:9b:0b:da:56:eb:e6:ed:8b:5f:10:59:08:f9:e2:30
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 2b:c3:a7:46:6c:71:3b:b1:69:07:d6:83:b8:c2:75:7f:1f:9d:55:ce
Fingerprint (SHA-256): 7e:f0:53:11:82:9c:aa:79:2d:45:af:e0:06:12:0e:84:f9:5f:f2:a7:c9:5b:30:04:12:ef:07:76:79:58:88:b1

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/39.crl

Check the revocation status for certificate cascem.org.mx
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for cascem.org.mx

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for cascem.org.mx in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw3tcPRKJ6sHwljlsrOEO
aqLmHuuLCFjNM1DVr/cHRRbPXrYkuO1w55/GXCaj42G+vNtjwZ9CeqwUGtKkSD41
yTAz4204XxU1MnNVA+/wB+MwM56uK3CJW40CMkiNWqdhbF0h+bXRwFdYtQag5yH/
MttOc5+1Piyx2nrhT7FNja4gai53aD6I2lL24+wDYlKEf7ET9c9GUBseFeG3+Htf
T9xp0RbSi0qOlJ7a3AhJPC0ymqgOUAXE3fUSN76XJLltHvU/GGPrybJaAVkCXHnh
wtwPDo14I54aag8lAeCFyjfpU6tI/Dm1JsJaaxKqmZOl4bXMDJE/MXAteVsr7SDN
5QIDAQAB
-----END PUBLIC KEY-----

ASN.1 Decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 467328765038157587584206045317862692559782
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-10 19:59:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-08 19:59:46 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cascem.org.mx'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24677300702920606205909818487714455593167819804734309208427459485373450225223973906981455310015522897080438742722866763084105923298636839191826551351123522062268961163540634715299182062375996696553210148800953903438664766568318977237486558837107642442267799177734214881346435283449391869585308675751695781176367217129554671167983313435460502957113504162279055890579574836541422685744369154503809273886257963891472076946839148783909412373472422984674993108021739554891265593908015079257298583566107036910469831454388833789135311774681753159437858208039818539869992708168326547933753316799856678742576584651470262029797
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							4eb3d9efd39b0bda56ebe6ed8b5f105908f9e230
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cascem.isocron.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cascem.org.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cascem.org.mx'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/39.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001975ba2fba8000004030046304402207a38221adfa2f8336865d5d826a2e7dfbe49a031d10727692e581d636f276b4102205dde87b3880292d5aa2bdd0744d84201db7a4dba11a35407d2bc7e585a5c2d8e00760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001975ba2fb960000040300473045022049f4d047b33539847d379d5ef73bffa156ba08f91badde1582bdb2891467fbbd0221008b9d252732febc1f1a17f9ae472fb0289be735b24ccecd1c03e0068966e2dab2
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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