usf.com.mx

Issued by R3

About this certificate

This digital certificate with serial number 04:c6:8c:c4:94:db:38:ea:56:8a:ed:57:b1:c3:14:2c:97:3e was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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 will expire on

Certificate Details

Serial Number (hex): 04:c6:8c:c4:94:db:38:ea:56:8a:ed:57:b1:c3:14:2c:97:3e
Serial Number (int): 416012165006146166789614663614118098671422
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 25:23:20:62:07:f7:8c:be:15:c0:92:de:c6:fe:bb:2f:22:06:1e:8c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4d:72:e4:3b:72:72:89:1b:08:15:ff:5a:74:88:aa:3c:1c:56:18:7c
Fingerprint (sha256): 4f:1f:7d:91:72:08:d3:92:87:73:59:52:cf:07:d5:fc:0c:24:f7:b7:89:33:e4:fd:1e:1b:7d:4d:c7:65:47:b0

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAswVFzSfscrbBRZrb2UxP
8DJxIIME7JZDJ7DeW1/PrQAucd9bR/99TrWP1Lh6bq5iFJyBuY7u0NHhJI8eco6u
1B8BCNDcTEnepxjcWP++rmdaTOSrZ/75gu9nN0TU5PI4GKjx0Kf6llZC+N90f8Ur
V4LRUgrxVpD+lQNEYY2U5+6GnFpE4fqSC6PrpVXXjGprLroBmgvO+EDwnyx1pT3X
hPwtNrbPz9ldaUE5BnN7Fta/t72SK28LlDmiA/kJYnVriMZOB2D6s3ZIYy2AFw16
PaS8V2Bnj/W9xLjqBv13EQ9TnKZ+uTY+O1uhtUKWOoBcrsd2iJQ6FSahsAdOoceZ
3wIDAQAB
-----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 416012165006146166789614663614118098671422
 . . . . . . . . [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 2024-04-04 20:37:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-03 20:37:47 +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 22599256635304643109362855452665484557202143535712628312592811813740214848219482593184541211199476504981929074476384504531422010383956854170774792837955279660267147229956332733729307523768965237211989262726492857101595727609767398441186455707175382041725187554233850051500806075199396131024208872570748830915185701754048532245341539995272443708031266463577672147735414623149229141589257396797343800470549501996601138995140135398810984783439032978078505258780206311578322828654389527493369259608237932181027572348547730563909980686483629188039166461007660304604243025487655023895064927841065600079574019028986221795807
 . . . . . . . . . . . . . . . . . . . . [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)
							2523206207f78cbe15c092dec6febb2f22061e8c
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018eab0becd50000040300473045022100c4dd33f633bb60a68cfcab903a8221c465d92782d3cb6edfd64bff2a458c001d02206a569f9b28ed2fbf9daf5dc9acdc1b9aa6fb7702cc7d080cc1cea9eefc4c5f5b007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018eab0beccd00000403004630440220352c52c6fabd69db3db34719d22b8dc42400ea577e4ffdfe200d0e3c8301233e02202b408eb39e1500903b5cc84404e344c5e0626deb40b6c09976f419ce9c10b5a5
 . . . . [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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