DV SSL/TLS Certificate for *.buckinghamqro.edu.mx

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the *.buckinghamqro.edu.mx DV SSL/TLS Certificate

This certificate with serial number 05:49:dd:63:16:28:60:b7:7b:b1:93:38:59:28:b9:b8:47:f0 for *.buckinghamqro.edu.mx was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for *.buckinghamqro.edu.mx provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:49:dd:63:16:28:60:b7:7b:b1:93:38:59:28:b9:b8:47:f0
Serial Number (int): 460696316317899272581194730589925448108016
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: f1:dc:39:8c:b7:db:93:c7:5e:4d:70:ff:e5:11:3f:c3:3b:d1:89:9a
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): a0:72:53:ad:86:c6:e0:1c:7b:3a:ca:4c:6a:a9:b1:b5:dd:44:9c:a6
Fingerprint (SHA-256): 4c:58:d8:a5:68:9a:1e:53:29:6d:8a:d5:f5:da:58:a3:05:f8:5e:e2:3e:d2:b5:7c:7d:61:93:a2:e2:b9:c5:3c

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/113.crl

Check the revocation status for certificate *.buckinghamqro.edu.mx
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.buckinghamqro.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for *.buckinghamqro.edu.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsjFmV8jihgvydSheebHw
bShIeQQaTTHTPhPtzjsWfN4BYtsezS5s40bjKPPb4x9XXjZ9RFV7/27mcwOwwtL+
arerMvmu+wIzVXUnX9PNGsam9H4ybbm/qQd1uWdZFdY5ZdDn4OFn1xBWL3IZqkve
9Q+ub2OD/cqCPXoS/JhW0MmrDFT4JRvd1fcobucEkSZQ0j+VGnF3mPzmA+GqhutO
qSIUxT6NSeXJX120PchVF62yBNfDq4gvv/HlVL+ZynxdhwQmOcU5tGWtheEWhmX8
rno1WiCVR7k8fXizpEX/pxPB4VDMF+eBw78k/yO79NIvRem11tq+EFKneiaViF7P
1wIDAQAB
-----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 460696316317899272581194730589925448108016
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-27 17:02:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-25 17:02:45 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.buckinghamqro.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
 . . . . . . . . . . . . . . . . [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 22494778221898695322397800215251775370034439795127129445608852962764693055503447281378086109353909161949795730920452685659895345902932500920569566434818581042565311486591234935712670724410586343075316628265260016806867001974906980452043904349107266825732892982392772577000716029893561268566946136969528793688931356321634897714874541381096671984212271173004898463242695233912143309286150058160789550579178482094739611543196435441201536480476242113779973547403407690650301662771547027936416902704850205855247120392903196692676474165702581054114245039067724069743631742278700397924204167208730250734853969006528284250071
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							f1dc398cb7db93c75e4d70ffe5113fc33bd1899a
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.buckinghamqro.edu.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'buckinghamqro.edu.mx'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/113.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a84540000019712e7e544000004030046304402205826398502a4e418be7707d33fed7bbbbc8dd2c86cf70d8c3d3113207d258cf50220398b7cc10500245e73aa01d43ee2382af753dff43d8781590c2cccb65eaa2f5b007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a0000019712e7ed7900000403004730450220749e940267c5f50451550970c95a6e6a4ca2c97c01dedbdd2df415877f457c74022100dff53e091a2baa37283c93a40223b72b1b2e5543504f84322a6036cbecb33f74
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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