www.british.edu.mx
Issued by R3
About this certificate
This digital certificate with serial number 04:b4:d9:4a:c1:92:4a:a2:62:15:18:d6:bd:f0:69:7f:bc:a8 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:b4:d9:4a:c1:92:4a:a2:62:15:18:d6:bd:f0:69:7f:bc:a8Serial Number (int): 409988800403958231763313293725662292458664
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): 57:96:bf:53:3f:ee:a7:c7:c6:d8:08:fb:78:83:46:10:54:54:8a:a4
Fingerprint (sha256): 0d:61:40:9f:33:05:14:b0:de:c4:f7:c5:e4:ed:5e:49:21:86:f3:4f:6d:5a:9f:53:cf:4b:fb:81:27:68:be:63
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck 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
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academiamaddox.com
ees.edgewoodschools.com
pv.british.edu.mx
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Certificate
The complete raw certificate details for www.british.edu.mx in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE7zCCA9egAwIBAgISBLTZSsGSSqJiFRjWvfBpf7yoMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMTEwMjE0MDZaFw0yNDAzMTAwMjE0MDVaMB0xGzAZBgNVBAMT End3dy5icml0aXNoLmVkdS5teDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBANLzZvp+qmK1dcfQ8JKI1iHVJ63I9dqIsnxDYPavuRDtbbpVLym/aeMPTCMj Xpv+8750RkoM16Kk8+rav3dT1/eeOioRXLwSHoIURj8DYuVE2R6pRIE5onPaWZxY DfmQPj/H8i3gcb0halqqFTZ3Bf7XQ5d2GFQF2kmFsX6aSWsmAJ5XKwXbK/QycYBl Su49MoVI/F4tZdfBkJZo9B9MeL4xJKmFuXGNm2p/pNL948NKX1XVPIVN0bLgCdD4 foWs4EbrVKkgs9Eq/Lwhb63nCKHRTwa/3dcXrLdsrhBY24jlg5rdOCsNMb3wC4md uhRAN4Lc2fSJm/za0CfTlNDk0WkCAwEAAaOCAhIwggIOMA4GA1UdDwEB/wQEAwIF oDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAd BgNVHQ4EFgQUICayPayl9LHGalTD/WRkSWn7bjYwHwYDVR0jBBgwFoAUFC6zF7dY VsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRw Oi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNy Lm9yZy8wHQYDVR0RBBYwFIISd3d3LmJyaXRpc2guZWR1Lm14MBMGA1UdIAQMMAow CAYGZ4EMAQIBMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUAO1N3dT4tuYBOizBb Bv5AO2fYT8P0x70ADS1yb+H61BcAAAGMVt4eRAAABAMARjBEAiBsmHoQSZOM+CcQ 200GxnrdEoa9GOGD413IUI4uKnw5qAIgImS+FCbgeozsNAn9dKGpabIlPx6A4D1v j4QHoiQfk+IAdQCi4r/WHt4vLweg1k5tN6fcZUOwxrUuotq3iviabfUX2AAAAYxW 3h5gAAAEAwBGMEQCICCwr5X7dFsz99yeZwhqUg3ADhcPP2JG3kOYLVnoALwOAiBB 1wV0qtQXWOzM2jxaXBULiYBWmatSbwphz3RfV66QuTANBgkqhkiG9w0BAQsFAAOC AQEAdpqN2eDxulUAjssEkKdOF4zLssxcN7LyymRz7aa85u+JYo7imuryRynjLazf 7OgHBByGEJEdHcRfhbmgZKHrgjuH6FHgDp+3M1zFvFuljsj9giVKftmHx7PFoY1M /k7E10GVgFnXQO5tc59c38ks0W2Dhk5Ouc6/MDN6oJHDEoyyiSqXpWuUhsEKxqnL DT42GdNDgzx9udhlonVUJiHOWNUcMBslkTKvUCKJM4pnGyytcnM2ODRX2oV5l7GK 8fpltL2q3XxwV2EaVXpXpeB9/IH4UQwyhyNScMC89x5Yc8734ssNhc4S7e5MQ2El 7YHxYUIdVQE5zCEiKFlA2Yq5Og== -----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 409988800403958231763313293725662292458664 . . . . . . . . [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 2023-12-11 02:14:06 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-10 02:14:05 +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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c56de1e44000004030046304402206c987a1049938cf82710db4d06c67add1286bd18e183e35dc8508e2e2a7c39a802202264be1426e07a8cec3409fd74a1a969b2253f1e80e03d6f8f8407a2241f93e2007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c56de1e600000040300463044022020b0af95fb745b33f7dc9e67086a520dc00e170f3f6246de43982d59e800bc0e022041d70574aad41758ecccda3c5a5c150b89805699ab526f0a61cf745f57ae90b9 . . . . [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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