ckcouriers.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:6d:aa:c8:2f:0f:45:a8:5a:c9:95:55:46:da:06:83:89:76 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=ckcouriers.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6d:aa:c8:2f:0f:45:a8:5a:c9:95:55:46:da:06:83:89:76
Serial Number (int): 298654643962801406924588266675912141146486
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b0:61:6b:83:a9:00:e8:d2:3b:04:2f:73:d1:ca:88:ff:a0:7d:88:54
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8a:e6:bd:4f:e4:db:db:18:08:50:6d:6b:2f:e3:0a:1e:36:1e:d2:0e
Fingerprint (sha256): e7:a7:55:0e:b3:b5:4b:76:91:b7:a6:fa:97:fb:57:8e:d1:df:fa:7f:40:5a:65:fa:ed:68:a6:1a:f8:5a:1a:4f

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 ckcouriers.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ckcouriers.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

ckcouriers.com
www.ckcouriers.com

Other certificates including the domain name ckcouriers.com

(limited to 100 certificates)
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com
ckcouriers.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjYwFWxX1nTBcmq9ZZmXF
gMElXD7xOpGZOH2vEMPkZgxvlcfA8nfc5HCPWKqOPmp+9UyrI0z4gx7Xsh1E4cVV
MWJsoCUzoy6214KB4vgoDl4+b1TRsn4J/fKPjZAKchag1byGHbi99hf/kHH9uNXd
Xej4upTzhIgPNwdsFOBMVd6FlL05Tx0NJ3tq3c+OH1gkicIiO/IVSLO5i68AKrY3
d037HpWKJ+NpWfPtrDvE/FXlFUFDpNLfUHrRZGpUgLIBj8w60WJPbQbVIyncp7a0
rijJby6nM6o55DXdu7zUV8+npF5Lb+nDRNKA2ErWsEzRgu6OkBX9VJd87GAvtK+a
WQIDAQAB
-----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 298654643962801406924588266675912141146486
 . . . . . . . . [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 2019-11-05 11:34:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-03 11:34:04 +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 'ckcouriers.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 17868647889825777767306642821629335498597392357899564418545453358918499630296367770838694672609802313725227459065235174667091841269467520524870162076657825732902447852429942900184611392877814090015581376257881196243331687196395589041221285075170700514800843665210050595043108023154430489288809989009082530705718633701089608649939881809060604777419864866870207478267267736182351521217548761415036293973573051086636518675049990336069206164998566528037430009362044633861919370327335927427167609272978537897055454880528767768279810623137494354880865340414346857869260396581499985883347129857983358391666238473072488192601
 . . . . . . . . . . . . . . . . . . . . [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)
							b0616b83a900e8d23b042f73d1ca88ffa07d8854
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ckcouriers.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ckcouriers.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 (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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e3b8ece520000040300473045022021096816e9dbc1792261fae6c53a88494b6330a6e5e59eb1a8b529e98aa47472022100f4c98d25c53ad526adcfdd862295f176ba5d7535ace5f58f23adbdf49ca8dfa7007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e3b8ece44000004030047304502203d3514e74e5444ed3dec2088e765a45bd3fe1835959627dc6b8d2b5d067d905e022100b1cd3a8dd597b69945de326b83b7faf7a8285a7c6a25cc8f9fb1c7c39779b0dd
 . . . . [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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