DV SSL/TLS Certificate for alexander.kendzia.net

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the alexander.kendzia.net DV SSL/TLS Certificate

This certificate with serial number 06:69:13:a8:1e:0f:40:42:30:e6:f5:07:e1:fa:bd:17:9d:9d for alexander.kendzia.net was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for alexander.kendzia.net provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:69:13:a8:1e:0f:40:42:30:e6:f5:07:e1:fa:bd:17:9d:9d
Serial Number (int): 558429492364732763403955233329332211916189
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: ed:06:9b:70:dd:be:03:e8:7a:8c:f9:76:a3:bd:32:0b:73:55:8b:d2
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 65:26:cd:df:de:69:d2:c9:10:ed:3e:49:1f:f7:3d:29:c9:13:10:61
Fingerprint (SHA-256): 21:27:bc:6d:f5:3e:20:a2:62:7d:a2:bd:3e:f9:89:18:71:9f:b2:18:d4:25:a4:c8:4b:82:3f:1c:ca:fb:db:1f

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/30.crl

Check the revocation status for certificate alexander.kendzia.net
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for alexander.kendzia.net

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for alexander.kendzia.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsqDryzjtgqQinkYGxHTS
anxV+tAQUjjGf2IsBl6yRu2VeuObNTRdrfBY+Mw0V1/Zgj5BeHBsAKfBvHpZUfjb
yP76kaz3BQhgbclFE42Y9Y1M01cnUcs5ieCCYM638YnzWRhpZbkmsC/2kGNvINsY
MT05gACCRkN78e6RwRXmGNWm5VJO2F9vxoze8FF4ODTf89PtSQAUGl5wlvjbE+ja
iq+oxdYVA9xD32JacuBNcB3bgxnG/aeOh9adLHOxTEDN5FmnZDOTYfs172vUZDzI
d9YLs4W2xJX9mlniFyUxCxV8R6MNbUFOD77GF63lwqCbwooRwMRX55e8zFsbF+40
ZwIDAQAB
-----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 558429492364732763403955233329332211916189
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-26 17:09:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-24 17:09:36 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'alexander.kendzia.net'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 22549771420948248628663665701273791935997151847336131613953759894178829639238434028147780386471957684601335715949212857102453602035916783785941139025420019549801543702215428788937907415791368474518392859807612320667739369183209302860649549525116180659347011859994966197171772303116708692321215991323131153473849690112880314062064403765731621615851798275828445816374093903492353825741647529675737697406503787277941872691824156118589720198643001364988421482651867736934260894354208791124684475100662274937145092992883168995898383276798356597009639773433189469255144091047777819352910299455284991417944966988560014914663
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ed069b70ddbe03e87a8cf976a3bd320b73558bd2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alexander.kendzia.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alexander.kendzia.net'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/30.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001970dc7ccf10000040300473045022100b56f4f24332e03cd77f7c02eb497db44f9bef0e6fb9e636cfb509d74b3ca73ea022013c7ffea0eb6aaf0af62eb6164cd27a547bddd66aa08437bfee14175e42f3ea2007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001970dc7dcd90000040300473045022100ca69db27abcd37e70f4e0659e65e9c55760ca2a29c676509199bc1cfc32dbb3b02201706c6ff6cc52e28e8218db8a2f99603d8585af1ca54a10e2e5302b5b070e646
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		0015ef2741e41e2c661126d9f2c41dd5848375b98ff3bbf0e5566598b913339ad2e6d05a9d214f8c4fb3c46c874b9f73c256ee383e97b54e1c988cbe8fe6852e52bd4e89f56445c2276875b197744a10cb96394e2484f2277a3e450b26d39b0e78c5fedab31d7d12be26be45f1a7cad08073dc491c33f1aa1d6fa1dc91a6b678c6eda9ece6e084179492b6f1cad86ded731de05448d9d5159f813b269f41854355f70f8ff7bf167a1dff928a73018e559a23bf648cc6550c836d8a0116e4e30f7dd1b5797bcb78e5967838766e225ee488c461c59f4ca69a1bbb18ffd7f6cb55ebec04ae30868da47f6bab11dc931ce9d943d7c91cd1a6d935557338621b3cec3c