kanban.apertum.org

Issued by R3

About this certificate

This digital certificate with serial number 04:a8:2d:7b:f9:71:38:81:07:bb:f8:24:88:ef:4f:e6:4e:6e was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. 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=kanban.apertum.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:a8:2d:7b:f9:71:38:81:07:bb:f8:24:88:ef:4f:e6:4e:6e
Serial Number (int): 405677040341372830268304031038230168489582
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 51:8b:c9:c3:8b:dd:51:58:fd:6b:cf:6c:e9:77:a9:4e:38:f4:02:55
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 43:c5:a8:05:af:50:38:cb:2d:2d:41:45:61:98:7a:cb:3c:01:7f:1a
Fingerprint (sha256): b3:eb:90:e3:21:04:b1:22:c5:de:85:c1:36:e2:31:39:63:71:59:5e:87:f5:80:f8:bf:74:d1:a3:41:02:98:59

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

Revocation information

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

Check the revocation status for certificate kanban.apertum.org

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kanban.apertum.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

catforums.net
fructosekillsmorepeoplethancarbondioxide.com
kanban.apertum.org
texnetsys.net

Other certificates including the domain name apertum.org

(limited to 100 certificates)
apertum.org
apertum.org
mail.apertum.org
apertum.org
mail.apertum.org
www.apertum.org
qdd.co.za
mail.apertum.org
diskjockeys.ca
mail.apertum.org
libertyisland.org
rplayer.co.za
viatravel.co.za
kanban.apertum.org
iwggw.com.jamjesusandme.org
apertum.org
mail.apertum.org
mail.apertum.org
ukr.bible

Certificate

The complete raw certificate details for kanban.apertum.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtCrrbd7d2KlaynhCbIBp
Ne3Y5NnAIfQlUomKBz7pxwWKT+7uzmXQKKW1kVdRS1OsjX5osm5NCNrjFD7eLIrt
2H6RCeiJr0G0mp4CfkWHNmb2ujs0BkaSsUR633fcOb+rJXIR8dpIaa1YDqBq4jtm
0R1UiPM+efUsOBR7r/BEF6cVFZ+aq0cZhJ40pOw0+IrX/N5dLiYUxyPaMw58xCh5
81EMlWrlXnjrcZ8vJMgzxSxJPMfb7Js8FrUpgTmXCu0+cd7QJ81V2066krNKqyKd
67251s2QiTfaICyGcT/pczGaUJseTLwhFTXoXSsvjuRlKSobT3TP9QCo6ZsMgaci
8QIDAQAB
-----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 405677040341372830268304031038230168489582
 . . . . . . . . [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 2024-04-09 15:31:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-08 15:31:11 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'kanban.apertum.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 (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 22744059359769774492043864742971346046162979203741458867540884303010173915032790285949453710163971620923402488016138311905362221804790015821546668651809862143230105729630616042566371773618080215134234586290856436454248837342539792662466276154307912938659168201740714491985438362594282681353996612264984435037342084369165459308013672267107777323668290909452705722782538939937543531580377583126878830304901501994750573354257156297052873193373891562626663796836855918405936917008324283669780026342280434056056779612944859040916892365455308606042207309414697913890658278721055881075176072893911563171050129924900407157489
 . . . . . . . . . . . . . . . . . . . . [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)
							518bc9c38bdd5158fd6bcf6ce977a94e38f40255
 . . . . . . . . . . . . . . . . [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 (98 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'catforums.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fructosekillsmorepeoplethancarbondioxide.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kanban.apertum.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'texnetsys.net'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ec3b302dd0000040300473045022100dd37fb414f876527be7ee737afdbd11c8ceb296a8ae9d264fd53b9a858ee9c260220687dc84e6eab42811f293950fa195ad1f8593f6a0756cf7ba1db1cba552c3552007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018ec3b302da000004030047304502200eb610caf9af50a74eb8baa51fa9537d68969f9de695391b7f6edfcdf2dd6d6a0221008a74c5ee9238aa664556bfa76730a4d2f1c4fa8debd630718ecd894a54b349a2
 . . . . [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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