usf.com.mx

Issued by R3

About this certificate

This digital certificate with serial number 04:9b:43:a4:f3:70:1d:86:f5:ed:7c:c6:4b:59:9f:29:f2:22 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): 04:9b:43:a4:f3:70:1d:86:f5:ed:7c:c6:4b:59:9f:29:f2:22
Serial Number (int): 401282825349697063610193120038539538068002
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: cb:52:82:ab:9f:d8:0f:c1:87:cd:da:46:0f:26:7e:7a:15:95:e2:a7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ad:fd:c3:79:1c:5c:5c:da:df:d3:98:a3:1a:fd:b4:88:5d:d2:d4:fb
Fingerprint (sha256): 7a:df:21:9f:03:b5:05:be:23:d3:38:93:b9:6d:9b:b5:08:78:8c:8d:cb:21:74:c7:4b:b7:4a:f6:c9:1b:37:d3

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv3SnZ3SLeQiwdCBz/+pQ
munYCi3jOjk2KMT+PaARt5MNh9JrFfUWGG11a7GitCFWUPdfH9fmCahpSVhunJlR
DnVdxO0viEq146FkN/tOOjXNsGtfepmDVD0ayc1LfNOjs6CjyGUR8HoPgjusUzpx
zmzPuUBhQUJUMooMVm2f6eapf9OczPz4UsUQtTXuBD8bYXXT/QxrrRAnDJjJAYFB
8Z3PeYjZmNHb/SyhGgF8QHecYwf8kfPmRWj1QNJyD51klN4WzGp+LH7BPrCfyc+N
iZiHaPxERPDSj2hEkcuHCYIw2N/H99cU7DSQUzcJkCLr6XvuxSBcXlSWZPClkse9
kwIDAQAB
-----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 401282825349697063610193120038539538068002
 . . . . . . . . [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 2024-06-04 20:38:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-02 20:38:03 +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 24169040441584947940756512784201512910188318185154360616894681097158940422316498093356651068003414009987395329730494953158929474538532299249362753358802377605405082817494391734241843851469191631202764871304137141030058426448415167656684139263725578647789477899674240163736999246345696937378303430256784003444484975149304886985228658571736157472393600355926043758415776641526972477398814487606256406266206940890942226963141920029484029674214264255737170207363303676807582808058287475302720445992559290216887091612022646297684788208363003873240228897034480392817591885558760990593674407639608009414033924400388975869331
 . . . . . . . . . . . . . . . . . . . . [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)
							cb5282ab9fd80fc187cdda460f267e7a1595e2a7
 . . . . . . . . . . . . . . . . [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)
							00ef007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018fe5301660000004030047304502207fa4c8608645efa388044d501def74f5136a8f1901cd32150fe3bb995cf6e85d022100dd7de40ff65597de28401c6b1282f577834545354026d7e6eed7fc5ff6e580f5007500dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018fe530173e00000403004630440220434a09606fc48b1532ce79c6d501e418fd4e2dced4925401091bccb57520c1db022047bbdcf5308c6522065998abcf18e8adc0af9168afb242de5c42806285d6b9b5
 . . . . [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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