*.usf.com.mx

Issued by R3

About this certificate

This digital certificate with serial number 04:a1:af:24:64:b1:5d:cf:0e:03:45:34:af:bf:e4:e9:b0:37 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=*.usf.com.mx

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a1:af:24:64:b1:5d:cf:0e:03:45:34:af:bf:e4:e9:b0:37
Serial Number (int): 403467408665554724285575036404797501190199
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1b:a1:a2:9b:98:f6:66:fe:d5:8e:fb:8c:9e:68:cb:9c:3f:e3:09:75
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 33:5e:16:8a:98:49:8e:3c:d1:da:c4:dd:dd:20:cb:68:46:00:77:66
Fingerprint (sha256): 96:f0:bd:12:44:77:52:10:dc:19:8b:63:cc:56:df:5e:a3:12:47:e0:3f:fd:0d:74:21:39:88:ef:30:ff:7c:b1

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

Revocation information

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

Check the revocation status for certificate *.usf.com.mx

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.usf.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.usf.com.mx
usf.com.mx

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usf.com.mx
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usf.com.mx
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usf.com.mx
admin.belmonthighschool.org
usf.com.mx
school.sjnewhaven.org
admin.belmonthighschool.org
memphiseast.com
usf.com.mx
admin.3rcs.org
usf.com.mx
admin.3rcs.org
admin.ealas.org
www.ebcacademy.com
usf.com.mx
usf.com.mx
admin.gsdacademy.com
usf.com.mx
admin.3rcs.org
*.usf.com.mx
lshigh.org
usf.com.mx
*.usf.com.mx
usf.com.mx
usf.com.mx
wes.gvusd.k12.ca.us
web.preparatorialasalle.edu.mx
*.usf.com.mx
usf.com.mx

Certificate

The complete raw certificate details for *.usf.com.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoUEK2SZqdkwWY/R0Q/rL
+lGnAUF5GwqygPAFAl+7kfbpVgL3js6BXse340fgRIZFoypwWWdsJ5C/k4Yt/uDn
OBO+siCIUhkHTpI7pnViiVIJrA1QwQD5Cf7fiino2FAb58iKtK69yNE1Ht8sOjrA
PmMnwqHMZ0M/0WLVt+j1a2hTi6KAF99PWvi/UgHBbJVr5RgK5/F9TYxCCxxXRLC3
8YZtvgoYCC1x/IAd5E48uCpjgVAuykZHpQgLe/fVi/2FwIeCabl3ZxMnVi37pL2X
hftDuVcCeUvL0kCliXGq+U+wSiX+O9h9D6WONtZMPjTbA7gdttzSsvksgJaS80Vq
4wIDAQAB
-----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 403467408665554724285575036404797501190199
 . . . . . . . . [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 2024-02-03 20:37:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-03 20:37:13 +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:12|false] UTF8String '*.usf.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 (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 20356440690514005561513066424220403572193474366348596162858307038639776758439875448107071083988106606812177774215399571493169033876806755864740422531711630868297860322237874947926015030586059691301531072082902763226483297282992183594614911075572822653069176404797940220718526277678674012876590462296842275408284847778492066465065320650787446030218252436396967380408960221542303211717164208379847002217849262966128811741969410422049798577232885199375777201743918653151274406941055729294949629121143111745855076711644170569542824490437211551233942543069569941703483778261810956153744819033713407968568901449075116042979
 . . . . . . . . . . . . . . . . . . . . [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)
							1ba1a29b98f666fed58efb8c9e68cb9c3fe30975
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.usf.com.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'usf.com.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d70e77a9c0000040300473045022100df75364bad78e4f61bcf3e6ee36dd143770bb79a1060a15be57f0ca621583e75022039ec66b24bdb74d31f1cd693067802751fef7a6a718e0723e034490806d85149007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d70e77aa50000040300473045022100ebebf3d657565a2be20456c9c3071bce08486b0667b5b4d14fdc120b8c3fb8c40220124279cefb0b159dd4b981bd0fce16e8dadf3261d714a99d5d130db658f19036
 . . . . [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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