ckut.ca

Issued by R3

About this certificate

This digital certificate with serial number 04:d1:05:23:4f:4f:2d:54:31:c1:dc:1f:bb:97:69:96:4c:01 was issued on by Let's Encrypt.

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=ckut.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:d1:05:23:4f:4f:2d:54:31:c1:dc:1f:bb:97:69:96:4c:01
Serial Number (int): 419574987892469510885964103754219410312193
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 10:c2:9d:07:6f:42:a2:a1:a0:89:91:46:22:98:0c:97:13:94:76:63
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c9:82:fc:23:81:37:5b:1d:e4:e0:4e:d3:d6:50:d7:6d:d7:3b:df:61
Fingerprint (sha256): 8b:be:40:7b:3e:e8:74:96:6f:30:c7:60:57:ab:41:30:0b:0c:5d:47:15:78:4a:7c:bd:5b:42:8f:ff:a4:0f:92

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate ckut.ca

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ckut.ca

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

ckut.ca

Other certificates including the domain name ckut.ca

(limited to 100 certificates)
ckut.ca
phase.ckut.ca
secure.ckut.ca
secure.ckut.ca
icecast.ckut.ca
icecast.ckut.ca
ckut.ca
icecast.ckut.ca
ckut.ca
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ckut.ca
secure.ckut.ca
archives.ckut.ca
secure.ckut.ca
ckut.ca
ckut.ca
ckut.ca
ckut.ca
ckut.ca
ckut.ca
archives.ckut.ca
icecast.ckut.ca
archives.ckut.ca
secure.ckut.ca
icecast.ckut.ca
icecast.ckut.ca
secure.ckut.ca
icecast.ckut.ca
secure.ckut.ca
ckut.ca
secure.ckut.ca
ckut.ca
icecast.ckut.ca
secure.ckut.ca
icecast.ckut.ca
ckut.ca
ckut.ca
secure.ckut.ca
ckut.ca
ckut.ca
icecast.ckut.ca
ckut.ca
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ckut.ca
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ckut.ca
ckut.ca
www.ckut.ca
ckut.ca
ckut.ca
icecast.ckut.ca
ckut.ca

Certificate

The complete raw certificate details for ckut.ca in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE2s0cCgaDJl+rNElnfltcefgMxiyR
4ll3gKYEPu8Z0GyW8uKVzs+HfaG/B5iJbjv/kGZnD8WucRS0Q5Ev+VKQqA==
-----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 419574987892469510885964103754219410312193
 . . . . . . . . [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 2024-04-19 16:05:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-18 16:05:20 +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 'ckut.ca'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004dacd1c0a0683265fab3449677e5b5c79f80cc62c91e2597780a6043eef19d06c96f2e295cecf877da1bf0798896e3bff9066670fc5ae7114b443912ff95290a8
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							10c29d076f42a2a1a089914622980c9713947663
 . . . . . . . . . . . . . . . . [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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ckut.ca'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ef751df290000040300483046022100b54b033cd21383bb66b62e870f4341732ce64bbffa31cb57fb5f2a1af1669008022100cfef097cfc175be8c11303074eb99ad43ac9ba6a50ceb27191b5a09aba9a84d4007600dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018ef751dfcf00000403004730450220762d89e87701698d9aa73128632d2d95f94122160c9ecded1b8f4bdee6f8df78022100ee1747ef87e2b8da7bcd2d8e0466dce44af368871de691691e545b4cef232bdb
 . . . . [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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