alum.siia.umich.mx

Issued by R3

About this certificate

This digital certificate with serial number 04:2d:03:ab:5e:7a:f2:9e:ac:9e:d5:c1:03:83:f6:73:97:fb was issued on by Let's Encrypt.

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=alum.siia.umich.mx

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2d:03:ab:5e:7a:f2:9e:ac:9e:d5:c1:03:83:f6:73:97:fb
Serial Number (int): 363766727721520807413321202349399319222267
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2e:36:75:92:4b:08:3f:33:72:ca:14:06:fc:c6:33:92:fd:39:32:dc
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 11:0a:5e:9a:c9:5e:5f:83:a7:47:d8:f1:6c:5d:88:77:e6:84:1d:90
Fingerprint (sha256): 10:57:9d:39:ff:09:0c:cd:a2:73:a8:a4:77:6d:21:e5:ae:6e:b9:dc:0c:50:e1:1a:6b:45:d5:31:4e:e5:47:30

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

Revocation information

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

Check the revocation status for certificate alum.siia.umich.mx

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for alum.siia.umich.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

alum.siia.umich.mx

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Certificate

The complete raw certificate details for alum.siia.umich.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7xh9aDu/zdpRl+YajgPH
Xk82g8jVKFLPzcp+nboKnvK/f4XiHr14Uxh/DsIf1tw1J51lVMx1P+0C49DZ8Aac
WGkg+q7xSCaTQxtz8Hu+OOPC/XeQV0H3Duojf0cvJ4/OONr+onLreGTCJ73k1QBI
fxFpG3bcWi1tdjwRlmfFfOr7AoT9jxt3DCmmpwBdGlAT9QyvXADwiu03GyG4Ry1A
TFZbSVNo7Nd2EXsSqbB+JJ3yrJ+Pa12UWwhXDnEM1+BxdrhYjTkgzHox0zDizEo1
DGRh8B/bIZA9kd2I30qvJ0ypNBdTh+tL1VBzm5AtEZRAFcG7rJQo6GfY3NPy6oCe
qwIDAQAB
-----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 363766727721520807413321202349399319222267
 . . . . . . . . [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 2023-07-23 14:27:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-21 14:27:12 +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 'alum.siia.umich.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 30183031292729612271514420155488628764257594544333001310026761899822095103064430888312293277992235233792300760702115376799277026391640537083883322430320733174823898504437102299641100872146578095655441017964240076878280725951642959640167880446218243226298306921031203375967124126105389933088325807124453889603238923188597338648423875124236835962092780059463527267408068806759593936843122658427724517133414483699310911738375386095386886869465766837624607623436999025295686419601487777871224417925473455916023272809676734855327788561148373134722514196634926326355588974999184719682477743440253570571773631127805398916779
 . . . . . . . . . . . . . . . . . . . . [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)
							2e3675924b083f3372ca1406fcc63392fd3932dc
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alum.siia.umich.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)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189835ca48c0000040300483046022100a075df86bd28d78b4f8239a5d316ccccde14a7d3991f16d8a61879f50e4eee16022100b7e82f0eea11c31a90aa9515fc3847705e6f2d61c227e1390c6c3d97beb7860d007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189835ca4bd0000040300473045022100feb8a718f8bbc1f2292fd5b2d181ceae8a179953bea8d1f93214f169d42992e302200cf8e098261ce3205868dcddb9dfa55a97b36838cf0ea5047ce6979d9c8aaaf5
 . . . . [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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