cet.edu.mx

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e7:40:af:6e:a3:09:07:57:7a:8e:8e:9b:0a:cb:21:10:83 was issued on by Let's Encrypt.

With 7 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=cet.edu.mx

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e7:40:af:6e:a3:09:07:57:7a:8e:8e:9b:0a:cb:21:10:83
Serial Number (int): 340028066041680044342796691487942487642243
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b4:d9:ef:45:72:a6:e8:95:a0:0a:cc:cd:7c:5e:f0:76:fd:c0:7b:6f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:76:ac:69:34:6e:3b:23:c6:c5:c0:a9:9d:88:d7:29:7c:9f:cc:36
Fingerprint (sha256): fe:43:9e:62:6f:ac:d4:1a:7e:0c:cd:f7:fd:15:38:1f:c0:bc:a2:90:2d:6d:57:c2:e8:c4:4a:f8:14:fc:ed:e0

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate cet.edu.mx

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cet.edu.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

autodiscover.cet.edu.mx
cet.edu.mx
cpanel.cet.edu.mx
mail.cet.edu.mx
webdisk.cet.edu.mx
webmail.cet.edu.mx
www.cet.edu.mx

Other certificates including the domain name cet.edu.mx

(limited to 100 certificates)

Certificate

The complete raw certificate details for cet.edu.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnvmT89d8HDCn1sMAjWZg
zw6vWWt7lMd27tQb+0dGXOezvRSmbmm4e+wehSFz+gLqolhyAnVxaQK8SU/VIZQt
kRVE0FogOD/VhL9qlg6XUl8AOHYb0oiWnT/o4ps1xiKdgtXgtVjH99H9Zv340M5R
LVE3j2doV7fePiBoWiH+oWswKmcyQrhMkzO0zNXqkKnwzcq+d/tc+eJ8M73Cec/J
XWMbWYRs4GZiVda9F+2tKEelvRbfPx5tYjLnc+vImeD4xNfgFpqNAfC+YIm8HxA1
NVqyowwElwHbMPibZDU+uDIZQeYboatfR86Pfr7xzpcOSiYcEZ7EG7/3EZ3Ikdwv
zwIDAQAB
-----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 340028066041680044342796691487942487642243
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 (countryName)
 . . . . . . . . . . . . . . . . . . . . [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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-22 23:56:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-20 23:56:22 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cet.edu.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 (rsaEncryption)
 . . . . . . . . . . . . . . . . [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 20068723653531133392356091008022698780303898085855737866004000183773316476776653386751414916172626757470629068001869394243275096371332047014310352699377484661486523703182719124499473854985295652627710566849028455631166030845499644297368327472560901281076531968683911464574838111742013571423488431683256897297559096187111089304694399909706844659863004388804321854191208130976926945345113738636421352380837232043881546393111755893061321674216402368632350609687160077966096867426859691675563003057401227296236498213829061055706493283297164024278865955169128906807421973935525076109063336119135982521196312013296509923279
 . . . . . . . . . . . . . . . . . . . . [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 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							b4d9ef4572a6e895a00acccd7c5ef076fdc07b6f
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (132 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.cet.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cet.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.cet.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.cet.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.cet.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.cet.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cet.edu.mx'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c1c544cd20000040300473045022061593ce8e5a1a9cfc64cb559648890974c5d32aaf5371ebf67e9c4130aa9ffb6022100c2b1ba0cd42e82108b5e85c88b573d834cfd54eb8933e96af953a5c0e2cd629300770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c1c544cc00000040300483046022100b1d508b133197a48bbed848e001d3abd5da7c0b461d3b48357f8feca6af8da3b022100e421a17e6fe2aac8b2a40bb201abf56b1e245c6fbd13d73bc34372d12a050b83
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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