DV SSL/TLS Certificate for cretum.com.mx

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the cretum.com.mx DV SSL/TLS Certificate

This certificate with serial number 06:03:19:23:ac:61:1a:57:90:2a:65:39:13:2e:10:5f:b2:b4 for cretum.com.mx was issued on by Let's Encrypt.

With 2 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 cretum.com.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): 06:03:19:23:ac:61:1a:57:90:2a:65:39:13:2e:10:5f:b2:b4
Serial Number (int): 523727978617876702945498560357880616170164
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 51:99:bb:39:29:cc:f2:2d:0a:a4:f4:07:46:7e:53:18:70:cc:33:69
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): d9:9f:8f:be:f9:d6:b9:48:dc:cf:8e:75:fb:c4:75:93:35:4a:11:42
Fingerprint (SHA-256): d9:bc:b3:40:19:17:5d:7b:c1:e4:86:c0:a8:93:07:3e:c7:f8:56:06:5d:07:54:b0:1f:0a:e9:ae:99:b3:b6:65

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/53.crl

Check the revocation status for certificate cretum.com.mx
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for cretum.com.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 cretum.com.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw6JRWHbE64X+rCKmeW5D
WdVTtLg2mkx8hnP4o5y2G2/9Ea0dJNQE9LdkC5ZUUVpqtqM45imKba0x+lL35STZ
XZ+yKvD+NprX+K3FNRoKMM+uKhU22VLa6o+00drB3sCPcyqSB6uOae8k/O34Ke+i
Xv2mnXokcOsOTxds+2zcnaf5gyN5ias8Xl4S6Na1SNDkgAKuGDoTVMLbWVRc9uKD
TqKLVJMzIMUCd7kTzADZBGxbo90ToA4He/AQT1V13eruNJG1LMT4KZOkQcpz6w/Q
YFWgt8DEc1S4FqkdsL8hhhRr4QBwgzp+fw7XzlnyfLNvazgD7fSFjv1GvjY79cNc
sQIDAQAB
-----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 523727978617876702945498560357880616170164
 . . . . . . . . [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 2025-06-14 08:22:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-12 08:22:41 +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 'cretum.com.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 24696511337116941925471112800012503359244890780329513612065217797888266809810286070924402360335039380519959257490886608948910071641980041150413175525470207591304219360680252001938722494559445703461834964681666844741920895947813278861690557206871808879333439111023488788769723935021780413307572116269353205489909394500145727208933412981452114978351720300995840314601819795571008225352607601292167155249454451075052102797826059816295286759443944942007940455286175577150844589206834135004862490941397820601618284833711901110388716611062252598168130388571089918578733398393016945762417997139353718039198587690594416680113
 . . . . . . . . . . . . . . . . . . . . [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)
							5199bb3929ccf22d0aa4f407467e531870cc3369
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.cretum.com.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cretum.com.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/53.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)
							00ef0076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa34000001976dbe3a8000000403004730450220768edfbbc4a071d174de5fbc0370a0efe1cf0b284ae406acd0673f5bf1a6f03b0221009d983b0e7eedc112b5b903787faf66feb420a259693a77b6ff1794ec930c467d00750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001976dbe3a88000004030046304402202e89ff1c22ecbfdbc9f059e77a530ceb26021e9d4d0cf5d7ab023b13826e0970022069affc744bf26404ea5aad00e559758a624e6ffcf6ecdca843b107125bc0a654
 . . . . [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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