usf.com.mx

Issued by R3

About this certificate

This digital certificate with serial number 04:ee:33:0f:3d:38:95:91:1d:dc:8a:0e:3e:d4:c9:0a:8b:7f 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:ee:33:0f:3d:38:95:91:1d:dc:8a:0e:3e:d4:c9:0a:8b:7f
Serial Number (int): 429504216808172301247986059656048180628351
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2c:3d:bf:f8:f6:c9:1f:1b:35:21:1f:78:df:ee:25:f6:63:26:39:65
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 74:7c:d1:9a:41:af:66:2b:6d:63:d5:c8:30:b7:7e:41:08:af:02:8a
Fingerprint (sha256): 23:42:8f:89:7a:25:14:7c:14:e2:9d:76:a9:b4:49:fc:ae:48:a3:88:c6:63:59:b3:de:15:98:b7:f2:5b:5a:31

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

Other certificates including the domain name usf.com.mx

(limited to 100 certificates)
usf.com.mx
admin.belmonthighschool.org
www.colegiofranco.edu.mx
nhstitans.org
usf.com.mx
admin.3rcs.org
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtXtWPB101G4rsl0r157S
eLyMGMxPjZbJfd2jlNBky/lSgFrwqpjhKrMckMAVoN38XkXsf6neg0VGPLh2/63B
lUXZPgEUvJZTvqdv86EaHGwuX6QgXdTpNi2rPJi6mu3fqyIQfTa/Bfo/UFpXuFKl
gyBRVlthAFcKlyNVGyMnZtGzAe87CKrMpqtPZim9OXYMZQLRASr0c7g90N11Qv9H
Ms4Xy2Ogt1WaQgmAIWMRuUt/uZEOfpy5FCW09Wdf09zr7B/vs/PPFDhPAma2p4ua
VZKM0X2HrkzcZ+SrwDYJVsB4liLxNwdzsDUzKutNy0bmyn1q5EOb71kWuSR1/xJe
cwIDAQAB
-----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 429504216808172301247986059656048180628351
 . . . . . . . . [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 2023-10-04 20:34:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-02 20:34:42 +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 '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 22909952868730286177619381595211038235281006586102035100828855010866160443013635338693246997846673333155923405029074888661035481883606989938955684986449820152998214971498599616315269778300202171913064186846548562214641871588378135709160003609553755859837374692894629897526003865611832781900904835387272840710276287131623838464840260991615155664099316389164851895243262901959499855548294185281036997663941769649957702549505383889643545855945594011427444535166991045152059198812181565739544933846592395311093276678455587557278661577538712646216978098899972730894198646555914054307000608565222650971360476872366217125491
 . . . . . . . . . . . . . . . . . . . . [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)
							2c3dbff8f6c91f1b35211f78dfee25f663263965
 . . . . . . . . . . . . . . . . [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)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018afc9d549d0000040300483046022100cb6ce4b4c5451c0d77bdc4914ac711b7f3631fa708273e52ac4aac394ededd0d02210088c655533182d3e800b0389446d508d6a47e31f091b672fcbb95223203347fef007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018afc9d5516000004030046304402202ab78ac0525061b28343b72e6dc4bb2a2aeb8ac6030f2e5308b83e6616042e4c02203fec1e9db0886ba518c0dd5abed128e5ebb337323d47e0d00ce3d395b7c4c2a4
 . . . . [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)
		009308f58212d6bf1acb201c12c6e98c92fa9b687e4047b57297ffbd7df2dd8248854630e5623773e2ac6da6e49243b4fb2b99afd2cd21d0193fd2b2951367915324394f130639d4823f3ce6fdd4d801131193b6401a1548d295f4e59bcc1e1f70bd114df2ba3668d7aff834c1aeaf0f3f4083eaefeeb54c47fe5eb636a214ba8a327714441428fcb5f8e45bfc1292dbd84f451537218e527c1dd0febbf0a69483cb3cd4580e898e1882d7731df4fd7777b3f189b1fc3f99f84b32cd1895c5eccc32e966c4bc905c7524b1639679e4b64a74d203ae40d025240428bb83b03502317ea45136df5b2e3fa2b3b2441963cc2b72054fe968157f6ec0cba89c055f59f3