conference.kaplantrucking.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e1:71:3e:c3:69:31:09:fc:3d:fb:e2:13:32:bc:f8:15:56 was issued on by Let's Encrypt.

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=conference.kaplantrucking.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e1:71:3e:c3:69:31:09:fc:3d:fb:e2:13:32:bc:f8:15:56
Serial Number (int): 338050919001824825485148949987599899432278
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:db:46:d5:78:cd:17:53:2d:7f:72:e1:ce:2e:3e:00:b3:08:07:70
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d6:4b:44:73:59:e8:8a:86:51:9c:32:52:01:42:c2:fb:99:72:d9:d3
Fingerprint (sha256): 9b:76:78:b3:5c:f1:05:cf:64:cb:05:85:77:8a:ef:04:32:e5:13:be:47:94:d6:b4:a2:64:cd:c4:4e:da:ba:e7

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 conference.kaplantrucking.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for conference.kaplantrucking.com

Public Key Algorithm

RSA

Key Size

4096

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

conference.kaplantrucking.com

Other certificates including the domain name kaplantrucking.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 338050919001824825485148949987599899432278
 . . . . . . . . [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 2019-10-27 07:22:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-25 07:22:13 +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 'conference.kaplantrucking.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 997661488575425789962924951515105350962152264739668199325556740618485256691435453487435922575480152952587293910180865817158169741330308115779053137786637330069746667153830815833911672212745705599085271237267901966775158009538838750496213502622509057711260624622375794158691291740820600938006954511608473671758543382877179487762257319570871675974491250276224108295520544980039488300322001835758443475984565034286929775621394380017425141072426013464211053405419260856786136415482001239429798197394026993607604292233251065785835757270482237467202314394397580343463921674526355038507878105642440599568223312011655891155700459364665424470536731773827615578062231887595626051418983545381316584400500916639994560237937889133800882180206542271971807108368491898698835772080203114253448323238784796690275741758664716240608790905485034091930402395517177590430412346196561948542596321210347596673116051635057593266033898306129708627138939960149661487776147962348600440784627047193900993081109017431597787327665159250052646094223065974982444623677901714014327842606177235429819302865980617071486958449687327417492118832403587155586377591062663924681842798994357189055050866394049417881444898436915239779285181337072191328253955661161307326191541
 . . . . . . . . . . . . . . . . . . . . [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)
							b7db46d578cd17532d7f72e1ce2e3e00b3080770
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'conference.kaplantrucking.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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e0c4efc8500000403004730450220739f7a6296188d46793ea760f5a746f635a2478a70b6ddfb176f7da658cb29aa022100fda00965dd2c40d93c57e12122ea6817b22994e4c8335d05ff0188605177514200760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e0c4efcb20000040300473045022100901d10dad8effb197a9247e0503da1ec814204b117634a7b12f6b87405823796022035f3f67f0fac7b02bab24b9f441fc8a5297e684c8e006168af107142d68a8e26
 . . . . [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)
		00104d5d51b60334f50a00a878d3b14f9661f45fae19c46dc78a38d4723afe1d5257d6cb35b10f94340adf791125846479e1698693660fbc23fe0ceb97cd229e2c8ac4632d0bd8022deccb900822c238de276094b232034496b504ab8e19131f38fb3baffd442c00ff99fab4c1bd4beda84c22c29a7d98ecdff82865564cc3ffaf5e79c009fd5c3b67fa9a19ed3b500d99d2e3336f19b0728d7b5dfbb1c5e23a260d478b0c6b4ea986330cd8d223157c97a9d43bf29aebacc7817a1d40c952759bdb0512c5cfeb8be75bb4728057c8eba23da623e9154ca298ff0d89be0f0fc276ae7cfc51f42a381c8e18d6eb8a7c2f917b6595b6084e0c784f7af253f46ab01a