DV SSL/TLS Certificate for it-strixner.de

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the it-strixner.de DV SSL/TLS Certificate

This certificate with serial number 06:11:57:13:75:84:3d:f0:0a:b9:19:07:80:37:e2:2b:b4:83 for it-strixner.de 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 it-strixner.de 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): 06:11:57:13:75:84:3d:f0:0a:b9:19:07:80:37:e2:2b:b4:83
Serial Number (int): 528574259701010243458850596393067031016579
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 62:bf:cd:d1:ad:4d:f7:b7:15:72:ee:59:18:71:d5:3e:22:2d:ab:26
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 1e:37:c6:d3:9f:0f:90:45:62:3a:76:cc:cc:41:ad:2d:f1:76:a2:05
Fingerprint (SHA-256): fd:0e:33:50:8b:86:fa:c7:d5:49:73:cc:47:da:54:57:a2:7d:9a:89:bf:3f:82:34:f4:a9:26:ad:19:02:02:82

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/4.crl

Check the revocation status for certificate it-strixner.de
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for it-strixner.de

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 it-strixner.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA01zmZVGouUgqRsIsI8gV
D5mFXBCt5cEG2kwZG7VIX4x7cf1FldBCn1Gt9DWZlHLGM30E34RS6cuR0vvq20k/
+Utt1BQGOL8T2F6MJzZ87w/DgLvhqYStObn4ye2Lazud6o+7veYcMe4wxHRByFSx
r+XywFicq5WLrPiPvQ/s3qUbHroTbn1OcsrT6zKFubZkBZNH1LLtc0HLCsk5ttfl
i7q6h2Xa1JcBnjwtgJ6Qmpvrktjj2jGPyvXxZYkKkzE0IGLJsPeJw5UafsJvs37w
fgiPltueWkeTNW18f4V00QUCHeZc595olEXCs6qAPzfTpfRQ/dRUF8z22i99nV4V
gwIDAQAB
-----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 528574259701010243458850596393067031016579
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-17 18:50:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-15 18:50:45 +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 'it-strixner.de'
 . . . . . . . . [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 26682093037092433363698915292393930945213109551639253605612336668200855021891107659935872430096233024244933493772686879713180639889707917025204634444487306395322630361783348398525848280971821828158441135204605359620132575226422770112839236620654983092530091106894427908137965653229914615833520518604780440840208175303391636827303060263343554161585698842118945893315251140048544850555491411871175077886410496802349157478711381141325530001201743071356434492575867992472758406102528348946614009257349939675095155757357395438163098780561187408179188295979895360351021952760771759606907288416055074682569282929274512086403
 . . . . . . . . . . . . . . . . . . . . [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)
							62bfcdd1ad4df7b71572ee591871d53e222dab26
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'it-strixner.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.it-strixner.de'
 . . . . . . . . . . . . . . . . [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 (38 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://r10.c.lencr.org/4.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)
							00f0007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001977f705149000004030046304402206dee5482d6519d122ea8df90796bc70d2e3055e88c7918ce8ebe4d49d7b137bc02202c17056ca481864b18f058fd24aa6dc8af75a1ffd2e4f5cc2fd6161b1a4ffb1d007700ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001977f70608c0000040300483046022100b7e0fd6727d1af1a1db91c3a2a43984cf4b3f3fbcfa44b11f70b6e74fdae8c48022100df259534779f08fdd5a87cf3f823158846b86d7851adf61f2b04d0720f921061
 . . . . [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)
		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