DV SSL/TLS Certificate for cpcalendars.techspacelearning.org

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the cpcalendars.techspacelearning.org DV SSL/TLS Certificate

This certificate with serial number 06:8d:ff:9a:72:36:c3:ba:29:43:65:28:a9:2b:14:22:d3:e6 for cpcalendars.techspacelearning.org was issued on by Let's Encrypt.

With 9 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 cpcalendars.techspacelearning.org 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): 06:8d:ff:9a:72:36:c3:ba:29:43:65:28:a9:2b:14:22:d3:e6
Serial Number (int): 570993284395588761363163041241940705334246
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: fe:11:88:99:41:78:2c:b8:09:eb:1b:c8:e8:0e:d5:fb:db:ac:0a:56
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): db:11:c9:95:ab:9c:71:9e:d2:d7:cd:b7:6c:21:32:3e:28:fb:f6:73
Fingerprint (SHA-256): 5d:1f:91:08:5e:6b:13:5f:6d:c0:28:03:a1:8b:6d:8a:3a:f7:6d:0d:7f:6a:89:73:b7:26:60:a7:1f:29:32:d9

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/103.crl

Check the revocation status for certificate cpcalendars.techspacelearning.org
9
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for cpcalendars.techspacelearning.org

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

autodiscover.techspacelearning.org
cpanel.techspacelearning.org
cpcalendars.techspacelearning.org
cpcontacts.techspacelearning.org
mail.techspacelearning.org
techspacelearning.org
webdisk.techspacelearning.org
webmail.techspacelearning.org
www.techspacelearning.org

X.509 Certificate

The complete raw X.509 certificate details for cpcalendars.techspacelearning.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzOvMUzpsjAvMnrQXsmrB
9UF6sn8sFjYsPT2azDbTwZ7GvEd6EafBNYtpSY1ZWQBsOJHnRo6DfX7l78kU5YiG
cnJYoRyjlHK1/WjigeVgOfLYeEFGxQcQcuQNkHk58tSmehX/Tg0cVycX8/m9jPy4
LKUJIbHrXUDwal2596MU2vNP8Fa4sjFIjQnSmpkpGiLeGwJJ5i4K7pyTxoz62dBI
wQJLSaI4xQOy/pmrWGS9F0nt+PwGoAwkomKfKQ40i17E5bLPqprQFryQWGFNjsUu
XZc3WHwIe/fmKFe7D6YpMKcvIXwvwkj1KGvNixZ4EItc9mhknQZBEZHVUil4h44A
JwIDAQAB
-----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 570993284395588761363163041241940705334246
 . . . . . . . . [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 
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 . . . . . . . . . . . . . . . . [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 2025-05-17 03:08:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-15 03:08:11 +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 'cpcalendars.techspacelearning.org'
 . . . . . . . . [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 25868890612037376848671705377250675812419033662240092540366941722185526131182697547833768271942489118901035733312904588350024235514183647727571638857671495919518933532596125201567928310040669109915163794949377525343962707720764824517923894148952894096421811370923106119203350664839403197659144831011461044391122855681992047721074830192284757301821300839002272393674931433048053306962223195931583456514308205393070802620152962134233749212133164092058072725756434879001179955258121377651114995562420287521736000104877226553619036446023723118198783181276760573876135856272390859028692157119427008712696890357494431219751
 . . . . . . . . . . . . . . . . . . . . [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
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 . . . . . . . . . . . . . . . . . . . . . . . . [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)
							fe11889941782cb809eb1bc8e80ed5fbdbac0a56
 . . . . . . . . . . . . . . . . [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 (279 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.techspacelearning.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.techspacelearning.org'
 . . . . . . . . . . . . . . . . [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/103.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000196dc6c3a000000040300483046022100b4471f460c822b60e2b096d71a5f952ee41717ab4ecc7577bda5acf68ef4a38b022100f84e549479cb99e1137f0e8c08045896837b1cc0827b770233c4a1bc911edc6b0076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000196dc6c41bf0000040300473045022100fc53d59db67d4265e695a47a28590794da1bea7e77385fa79015e7c0fbc795440220611ff5bb4efb41bdcef4ea04f9957e569b494a59e4bd471109de47620b31235d
 . . . . [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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