www.british.edu.mx

Issued by R3

About this certificate

This digital certificate with serial number 04:90:a6:99:5f:13:9c:b0:77:54:67:50:d0:1e:53:a7:73:76 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:
  • 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=www.british.edu.mx

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:90:a6:99:5f:13:9c:b0:77:54:67:50:d0:1e:53:a7:73:76
Serial Number (int): 397671252760758517619425415955664297489270
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 20:26:b2:3d:ac:a5:f4:b1:c6:6a:54:c3:fd:64:64:49:69:fb:6e:36
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6a:90:32:f6:83:e8:b0:b9:89:21:64:d3:b6:cb:e0:20:48:9d:6a:25
Fingerprint (sha256): 53:76:06:ca:14:36:da:d0:3f:89:ac:c8:20:1d:63:8b:6d:11:d3:7c:c9:56:ce:5c:c3:cc:0e:d0:e0:ba:81:8a

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

Revocation information

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

Check the revocation status for certificate www.british.edu.mx

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.british.edu.mx

Other certificates including the domain name british.edu.mx

(limited to 100 certificates)
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academiamaddox.com
www.british.edu.mx
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admin.middle.bridgeportisd.net
admin.bac.wsisd.com
british.edu.mx
admin.cca-denver.org
lakelandsd.org
admin.cca-denver.org
admin.cca-denver.org
british.edu.mx
admin.a1ms.jcboe.org
academiamaddox.com
ees.edgewoodschools.com
pv.british.edu.mx
academiamaddox.com
british.edu.mx
admin.elementary.bridgeportisd.net
admin.cca-denver.org
www.lisboncsd.org
www.sd925.org
admin.bac.wsisd.com
www.british.edu.mx
academiamaddox.com
admin.cca-denver.org
admin.loudoncounty.org
admin.bac.wsisd.com
academiamaddox.com
admin.cca-denver.org
admin.olaclaremont.org
british.edu.mx
academiamaddox.com
academiamaddox.com
admin.cca-denver.org
admin.cca-denver.org
admin.cca-denver.org
admin.bac.wsisd.com
www.british.edu.mx
edlio.com
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
admin.academiamaddox.com
academiamaddox.com
jhe.dcs.edu
academiamaddox.com
www.tannahillintermediateschool.wsisd.com
academiamaddox.com
academiamaddox.com

Certificate

The complete raw certificate details for www.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0vNm+n6qYrV1x9DwkojW
IdUnrcj12oiyfENg9q+5EO1tulUvKb9p4w9MIyNem/7zvnRGSgzXoqTz6tq/d1PX
9546KhFcvBIeghRGPwNi5UTZHqlEgTmic9pZnFgN+ZA+P8fyLeBxvSFqWqoVNncF
/tdDl3YYVAXaSYWxfppJayYAnlcrBdsr9DJxgGVK7j0yhUj8Xi1l18GQlmj0H0x4
vjEkqYW5cY2ban+k0v3jw0pfVdU8hU3RsuAJ0Ph+hazgRutUqSCz0Sr8vCFvrecI
odFPBr/d1xest2yuEFjbiOWDmt04Kw0xvfALiZ26FEA3gtzZ9Imb/NrQJ9OU0OTR
aQIDAQAB
-----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 397671252760758517619425415955664297489270
 . . . . . . . . [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 2023-10-01 22:41:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-30 22:41:38 +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 'www.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 26630070170588658266581949609767924119583452869369399825780541818995521197044724507066761463258485444313089393428046010481488218278712039355932942922561210646287242166937670204838999495720475676685967397132223069500775259902224414606646009550633699462788023442190590872366347862620781797290240047791181149796495390120436463443311273783258903760135536968977190101812415311385971178561349388436875194892909607906142701351502954259826212857672706223525312162212271326725018433517668633425912641033301377216604956759823330475711333551556885351619044192682972117915710521470505282651057806702313446976247285984623239418217
 . . . . . . . . . . . . . . . . . . . . [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)
							2026b23daca5f4b1c66a54c3fd64644969fb6e36
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018aed9e74bc000004030046304402202051695044159ebe364388633d189429cc1313dab3e7c7b920f78aa9c64fb94e02203d27b9ff3c47a18b268e6848b63199fe731e4f488fd293d2167c8eab9f671fa2007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018aed9e756700000403004730450221009043e04f03f3fac070e1f635e2c6fbc3aac90cec754dffd2201682ee8946843002200d8dcd52d64d2845e929a45709a31cc918b85751a75f4701c23e598c0deb6720
 . . . . [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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