british.edu.mx

Issued by R3

About this certificate

This digital certificate with serial number 03:a5:36:81:d7:e9:88:b0:7e:07:4b:5c:cf:b0:e0:0b:7e:89 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=british.edu.mx

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a5:36:81:d7:e9:88:b0:7e:07:4b:5c:cf:b0:e0:0b:7e:89
Serial Number (int): 317555900834523252839594816154857980526217
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 91:42:68:56:2e:93:6e:af:40:13:17:d5:0b:fa:cf:81:dd:bc:ae:50
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 21:e9:21:a6:f7:84:66:e7:8d:bc:c5:aa:cd:61:48:ee:43:11:e6:72
Fingerprint (sha256): 79:34:59:ca:8f:81:44:fd:77:d5:0f:70:87:6b:c1:f6:60:74:4f:46:8a:fb:a8:d7:c6:b9:fe:a9:3f:9d:42:6f

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

Revocation information

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

Check the revocation status for certificate british.edu.mx

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for british.edu.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

british.edu.mx

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admin.elementary.bridgeportisd.net
admin.cca-denver.org
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admin.cca-denver.org
admin.loudoncounty.org
admin.bac.wsisd.com
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british.edu.mx
academiamaddox.com
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admin.cca-denver.org
admin.cca-denver.org
admin.cca-denver.org
admin.bac.wsisd.com
www.british.edu.mx
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academiamaddox.com
admin.bac.wsisd.com
admin.high.bridgeportisd.net
www.academiamaddox.com
british.edu.mx
admin.cca-denver.org
admin.edgewoodschools.com
academiamaddox.com
www.tannahillintermediateschool.wsisd.com
admin.bac.wsisd.com
admin.bac.wsisd.com
www.british.edu.mx
www.sjvsj.org
admin.cca-denver.org
admin.wsisd.com
admin.cca-denver.org
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jhe.dcs.edu
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academiamaddox.com

Certificate

The complete raw certificate details for british.edu.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzC/Kzt/TR0lN+2jl1ek8
c2Er2BPV5PCWoi5G0e6adkbrc7t2xRQueWUmeeu2xu5JdcuVRUEkWbkHjep/V1Sq
WvhZFarwb4NWi3blLQKKdEtSOC9ppS26whWFXLlY5EOObhS1W/GHjSoVVgnGC1/Z
g6CUqw3dm8VTBuJtqnG1Y3xah+wVUW9mgkS2E7eOtbX6eYRDO8EIKackoPNnNmiP
Kr+6ShQMzmOD5rwfStbplHkf3i/Dx1Wz/iV3cXElkiD4lcG1N2a6loWbZmmd+m/u
fevqp61HNXwF1UQR2DexnrYemyQ0flRsE7+Q6buZ/oHoxIHXnDol4Tri81YcfOL5
VQIDAQAB
-----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 317555900834523252839594816154857980526217
 . . . . . . . . [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 2023-04-17 21:02:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-16 21:02:44 +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 'british.edu.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 25776181434701979263285773901332595310075566471150631710765692665080036577784173344780008071928371003854899525437059139960909504361901024931864907167552321184094570733461420789062809604413129904255032580277207364543191757378808581438153074677065670177458097319055378888981007353111512200234591367831194270548223171209258570166770825617438773743887116184657563618931212739546519313390200742071824630187053532540208082246044135536747051288642308883539138973103109009942816150894954239103022938580213958670215748820423273613034979389325796079988418842150641995289739324210644606614577365956841455108542444516873886431573
 . . . . . . . . . . . . . . . . . . . . [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)
							914268562e936eaf401317d50bfacf81ddbcae50
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'british.edu.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f1007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000187913de5bd0000040300483046022100e91a8e16db43cf87623c256c0fb1b3127114d198d582b3cc349ee1eca7361781022100c790f4a2edee564625aadf6922de6db5e3c7158cc5c4ea01c67698c4c3b0c3650076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000187913de5dd0000040300473045022100cf2466854b73032200b4cd52af5a288ebbb70c896d72c3d9b7e0855c7ce2eb5a0220504f7760d5e7919a4dc5db4a46625e613b3fb65db609ec4d44112a7a7d73d220
 . . . . [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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