staff.c-k.ca

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:31:0d:31:24:77:3b:51:b5:b2:be:91:cd:d8:73:3b:4b:c9 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=staff.c-k.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:31:0d:31:24:77:3b:51:b5:b2:be:91:cd:d8:73:3b:4b:c9
Serial Number (int): 278028228900511252229752627165203537808329
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2e:1a:5b:72:78:04:da:20:b6:e8:d1:02:60:dc:50:6b:c6:b8:ae:92
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:a0:91:2b:32:83:39:49:e1:e0:40:d3:6a:2a:6b:6f:2e:ca:a4:a0
Fingerprint (sha256): 99:a2:95:2c:ad:b1:ea:e2:8c:40:80:18:08:13:68:c1:25:47:e8:74:2c:0a:d2:de:e9:86:ec:f7:e3:5b:72:10

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate staff.c-k.ca

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for staff.c-k.ca

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

staff.c-k.ca
www.staff.c-k.ca

Other certificates including the domain name c-k.ca

(limited to 100 certificates)

Certificate

The complete raw certificate details for staff.c-k.ca in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2DgbFfU6qzGtkg3/wUs2
dyq8SsyJwnPPZN0s/eE55871puzbUn913FaKE0iCIQ0dpPAeRkr0ZSJJr0G/f3J2
j7AvBmspsTDe1ccyeU7n/uWJSJd8y6RnusQrGuXBvinwQm4zgoxD6QbVu7ucj98T
h0YOlng1R1Dplh6sAUR4XGIGCVfQ5zGQwf38tXbFd5THEAt7zSB+wk1skpCPTaUY
g7QcMyn+Mz2yy0zFoZjBfWxHbRJ2nJ3+1+CpFGfopiKoAlf5MBsAvs8opW9cOjGt
1Eqz1jrL6JBhdPpYZXmXXdNv9AlSsRrEuZ4UFkWe7sykvC3UP4SGV39yO7rbWVKp
MQIDAQAB
-----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 278028228900511252229752627165203537808329
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-25 12:04:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-23 12:04:10 +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 'staff.c-k.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 (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 27295140675678986491640369672442206157666053299162853348629067616578581140855666254335914889567837043321249529338425711620686548069693687533111072963967641575352552839776709976972179020146796049567535254284159254368310337388374666357487110232653942289010943682983319175179790491395159583532209358004029919943982027825900209275934865175434518892356307184012075299679181774960299440216301569390712369375574633949750812618193185128353315675645820089003785012011834362544584454605929011364680812316396777860029713388564242833719967858202740677006357041456717032094408723062506002765791114704681850393969973916039143139633
 . . . . . . . . . . . . . . . . . . . . [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)
							2e1a5b727804da20b6e8d10260dc506bc6b8ae92
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'staff.c-k.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.staff.c-k.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aef176e980000040300473045022100e661e06d4f61c1c14970909371ab6d993be3778d0e907f33683f78516611f91b02207151b54133236f425c5a95e9f839e09740587b2bbf4dace3774873a24eb6357c00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aef176c9500000403004730450220361fa596c71c29ad919656f13eb3b4c8d65e2a86cf32f5f4d89cc25360ada897022100c1356fc1fab47d3deccf1dceab6db262c7ee41772c3b05d80d09b96dae111755
 . . . . [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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