mail.ctequebec.com

Issued by R11

About this certificate

This digital certificate with serial number 03:84:44:03:2a:2e:e0:a9:42:72:a2:cb:22:33:86:51:12:03 was issued on by Let's Encrypt.

With 4 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=mail.ctequebec.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:84:44:03:2a:2e:e0:a9:42:72:a2:cb:22:33:86:51:12:03
Serial Number (int): 306344534165023795094358151864050475143683
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a4:5d:99:73:1a:7a:ef:25:d6:88:28:19:82:7a:47:28:61:dd:c8:b2
AuthorityKeyId: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (sha1): a9:64:a7:f8:ff:93:1c:d2:73:84:4c:a8:f6:16:63:c4:ae:57:09:a9
Fingerprint (sha256): 64:44:d6:89:a6:b2:38:79:ee:06:f0:32:1b:70:09:53:e4:fe:b0:d1:99:e8:53:54:2d:d1:02:5b:e6:d6:74:55

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

Revocation information

OCSP Server: http://r11.o.lencr.org

Check the revocation status for certificate mail.ctequebec.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.ctequebec.com

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

ctequebec.com
dev.ctequebec.com
mail.ctequebec.com
www.ctequebec.com

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Certificate

The complete raw certificate details for mail.ctequebec.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu8+YI8JEBSWJes/Dy32S
mJfEGI+85Dx7dkOnI7WumpwL6PVWfc8WX8KwVwXKDFz9P1jRzGW3WTfk3fL6szat
Cllp5Avx9+YRkUFUCI3mT5PJTFLt5yKmwI+axtDwUKsfJgeL6Py8S+4zWoGFblh9
PA1a1oQGqG2iinsaAAQQSzNV1lzvAqMWcXepTCMwAtZVTBrfmlaXC+jJpnaAaI6T
KHiW4tNxX/WYzxUkknexWw7ZQwFiFs98mjhhO6SjpigcIKVeET00hF0/562QoowG
VpRVNCtjwkyMRwgRMy/lWyaXnXqFYUYdaspJvSIhnsPzdTn1/FU/VPqjk1LIJ5no
XwIDAQAB
-----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 306344534165023795094358151864050475143683
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-19 18:22:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-17 18:22:30 +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 'mail.ctequebec.com'
 . . . . . . . . [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 23708931591160020433943813606896385531501126966446281332850008735132316618831673200642267904054975062119786595059979612890711311248811107625651979143557306435426936065086414235819729540903947418155374859816759631892909098892200334997923044054355375291483065142481396423725934545714947541294073198041802133633982825950223347310357713418530231329474371910757350619888669393496217702494746774243864861541987045158353463827612852147868889063383784000877598122780673270113598167727097101302798403021879249521171486858038596683194755774572741577588784204897742279441273387911216228860681269801760769755301589933442547181663
 . . . . . . . . . . . . . . . . . . . . [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)
							a45d99731a7aef25d6882819827a472861ddc8b2
 . . . . . . . . . . . . . . . . [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 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 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (75 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://r11.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://r11.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 (75 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ctequebec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.ctequebec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.ctequebec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ctequebec.com'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000019031f35eff00000403004830460221009bdaab2ea6dd44fd1bc0506752a1522981e779bffbd280f04f4d06170767afdb022100d9e2ebe4440f3907ffc9108e764cc562a3384898c9c624aab8ed75e5b2a4e034007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000019031f35fdb0000040300483046022100a5d0fbc566ee408f3be03a3ca60ffe337f641557617ec22a6dbc248e6f3ef4cf022100d8c01e5ec4a8a02e99697ab0e9abbce46e4fc509e68ef74c5e7204f43fb4dc2b
 . . . . [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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