DV SSL/TLS Certificate for mail.i-mo.ca

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the mail.i-mo.ca DV SSL/TLS Certificate

This certificate with serial number 06:ba:9b:60:d6:28:49:b3:c9:72:92:ed:3f:df:30:47:74:50 for mail.i-mo.ca was issued on by Let's Encrypt.

With 8 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 mail.i-mo.ca 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): 06:ba:9b:60:d6:28:49:b3:c9:72:92:ed:3f:df:30:47:74:50
Serial Number (int): 586172768981328706824459395526317048296528
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 1f:30:79:de:81:fc:5a:f0:7d:a5:69:bb:30:e9:ba:05:b2:ce:8d:94
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): fb:1b:93:98:9d:6e:d6:3e:a1:09:51:7c:70:cc:c5:91:a1:a8:37:5e
Fingerprint (SHA-256): 2f:20:74:50:fd:ba:95:d2:2d:4e:10:a3:cb:66:a3:cc:ab:42:77:91:54:79:78:9c:cf:8e:06:5f:9d:16:67:83

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/81.crl

Check the revocation status for certificate mail.i-mo.ca
8
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for mail.i-mo.ca

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

cpanel.i-mo.ca
cpcalendars.i-mo.ca
cpcontacts.i-mo.ca
i-mo.ca
mail.i-mo.ca
webdisk.i-mo.ca
webmail.i-mo.ca
www.i-mo.ca

X.509 Certificate

The complete raw X.509 certificate details for mail.i-mo.ca in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtGfPfeKeyXTxGyJN0OyU
B0bY+SrWoQTnXtvx6l/3cVrEJh2wYLgBumk9XKDsbyCCP5oHuloAYo4lwQU7ZCGJ
JF/uPgpWdrK3mbb4lr6wx4Sik7isAQ7G1XcdKxx8hUbBADPQHjLLiUq/c60CRiIH
1AY2UtXleLrhxianClBqv63FUGucYVo/c0mtTF+bdBfIcCpnVATbYDcmE4xP/A1g
btQWk8U/pYMVq/Bs3gSP5jDvcIy39gXJh6GGyGRMRYSxXWL0bgZ0nX+totgBossc
UZrrpBZriJYNrD3cK6W4EsuhEEKWrukQTPYAL2/Gijw5RBVtT4DC3IqhVxmmIcE7
hwIDAQAB
-----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 586172768981328706824459395526317048296528
 . . . . . . . . [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 2025-06-21 16:05:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-19 16:05:42 +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:19|false] PrintableString 'mail.i-mo.ca'
 . . . . . . . . [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 22774085766552847511813317291247787485454108309647240216798785733443852572228497695695626794925718065154304610652652434928239290080292664544468860349025565371729337962324366911351086308007879298059501724399352436709194467557420258122219174624482119965228658107796533083667932500604247905853891427169009114093846766884097961682057753027795100317995168874672760119198760878392486396787846490810335771384286606883703000737783895465158488465051006456435167145775057755514320644992300325957520958569581749144881162427285622447750579589355098734998999118385908328288879393406667073931226777398597430580004794091710906973063
 . . . . . . . . . . . . . . . . . . . . [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)
							1f3079de81fc5af07da569bb30e9ba05b2ce8d94
 . . . . . . . . . . . . . . . . [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 (129 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.i-mo.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.i-mo.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.i-mo.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'i-mo.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.i-mo.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.i-mo.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.i-mo.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.i-mo.ca'
 . . . . . . . . . . . . . . . . [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 (39 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/81.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075007d591e12e1782a7b1c61677c5efdf8d0875c14a04e959eb9032fd90e8c2e79b8000001979372a52b000004030046304402204787ba08ba5b0d2dc1f8eb64e7bc7974f982a310fe7a7caf773680bc865caf1602206fc238f2d0123f5b3217b351600ff5096a8dc58f45d198741299a239f8c903d300770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001979372a5020000040300483046022100ae0f3311307c744d83dca7416138f91dfee84a241971dd1fd252f26e6efe0ddb02210081007c41471f56fbb07fda3080b2eecd51ae369fef0cee46e1fcecbb0a438566
 . . . . [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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