www.colegiomm.edu.mx

Issued by R3

About this certificate

This digital certificate with serial number 04:72:34:1c:35:c9:1f:a1:b2:64:6d:80:f9:94:25:23:8a:8f was issued on by Let's Encrypt.

With 2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=www.colegiomm.edu.mx

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:72:34:1c:35:c9:1f:a1:b2:64:6d:80:f9:94:25:23:8a:8f
Serial Number (int): 387310599887023185195585782995447898671759
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 26:c5:f0:ef:a9:08:0b:00:6f:a1:bb:a7:4e:44:29:3b:70:e5:84:a1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cf:4f:98:ba:95:09:93:00:85:97:60:85:ce:d8:c7:bc:59:c8:6e:10
Fingerprint (sha256): ee:a7:e6:8b:58:92:36:0b:c7:7a:06:6d:32:ed:40:54:c3:8d:d4:51:41:0c:34:a4:0c:71:22:54:79:bc:06:8e

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.colegiomm.edu.mx

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.colegiomm.edu.mx

Public Key Algorithm

RSA

Key Size

4096

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

colegiomm.edu.mx
www.colegiomm.edu.mx

Other certificates including the domain name colegiomm.edu.mx

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 387310599887023185195585782995447898671759
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-16 06:03:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-15 06:03:01 +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 'www.colegiomm.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 827171289504808413317263317102804964554604412654077892297941018820238331020572112152214783904902263920511953500176217539950120403025999377269398920434907987109442972952350515136878106127270511171336699451338319736319514292038552130785498299378671385151485519374096804228552202404618830459067689312228789187665526380857692452274763626207236081252141571258426407001189977332940480166556622442752063404436939093681342379199258853478446685873796304580348167924440741657766508248961289602261811481026237844047389846449323664468261925456911709991948002469680499110500026468505797711131397621765653072339155491467438572975478797766025037343123068475008486889449450492318489496841778109132356554760869908079702397309460582827795459531182835565062347632341577497051209165012669013913338518083356047785111499937734755167594484493916638237217358815292656346863001576423876357070043985901378651462212028171655495559924180882692924543790908829907248908301418649222308891496466199324871486301935731523160672358188429905981125976582625861459716757735651271078814484670897943641646623369544505356746538582176418387947316145011888723974214658570529761265447646050414323653240055767682310109868877467811160390899296694636148546576733890706470696480523
 . . . . . . . . . . . . . . . . . . . . [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)
							26c5f0efa9080b006fa1bba74e44293b70e584a1
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'colegiomm.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.colegiomm.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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d1114a7110000040300483046022100fdc1704981c0a2fb9cd890c23e98a51b1665fddfa0aa6cd2748cbb1d62f1d82f022100d4a468e47732cb715055cba1fbc2ce67d25f5796d7d6aacf1bf4af16aa654e63007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d1114a71b000004030047304502205bf9b46c1d32c0b67ff9f73e1cde4c2829354a6a1d999e1aaad575acc314fe550221009cc9c9be9ba8a46a593db7bf41c178bc92cdb35493336df61737d09d99dfb523
 . . . . [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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