it-strixner.de

Issued by R3

About this certificate

This digital certificate with serial number 04:bf:28:86:a3:20:c6:7e:a0:fc:fe:aa:7a:39:18:f6:b9:e8 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:
  • 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=it-strixner.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bf:28:86:a3:20:c6:7e:a0:fc:fe:aa:7a:39:18:f6:b9:e8
Serial Number (int): 413496944005180171122340726451531958106600
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ae:9d:64:71:a3:ce:01:ec:d0:e2:a6:42:30:8b:15:1b:5c:97:59:f5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 30:a3:79:ec:21:87:b9:01:59:d2:86:c7:3e:00:0c:ee:79:32:05:7c
Fingerprint (sha256): 11:b5:4a:65:8e:3d:2c:0a:e3:b7:04:fa:e4:65:b8:31:1e:5f:71:76:72:6c:be:80:bf:3d:70:a9:59:55:d8:4d

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

Revocation information

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

Check the revocation status for certificate it-strixner.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for it-strixner.de

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

it-strixner.de
www.it-strixner.de

Other certificates including the domain name it-strixner.de

(limited to 100 certificates)
it-strixner.de
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sni.cloudflaressl.com
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akademie.it-strixner.de
it-strixner.de
it-strixner.de
kts.it-strixner.de
it-strixner.de
analytics.it-strixner.de
it-strixner.de
akademie.it-strixner.de
srvwt20.it-strixner.de
akademie.it-strixner.de
mail.it-strixner.de
kts.it-strixner.de
it-strixner.de
it-strixner.de
kts.it-strixner.de
analytics.it-strixner.de
kts.it-strixner.de
it-strixner.de
analytics.it-strixner.de
it-strixner.de
it-strixner.de
srvwt20.it-strixner.de
it-strixner.de
it-strixner.de
mail.it-strixner.de
it-strixner.de
analytics.it-strixner.de
it-strixner.de
srvwt20.it-strixner.de
it-strixner.de
akademie.it-strixner.de
analytics.it-strixner.de
it-strixner.de
it-strixner.de
kts.it-strixner.de
it-strixner.de
trainit.it-strixner.de
kts.it-strixner.de
analytics.it-strixner.de
analytics.it-strixner.de
it-strixner.de
it-strixner.de
analytics.it-strixner.de
kts.it-strixner.de
analytics.it-strixner.de
akademie.it-strixner.de
analytics.it-strixner.de
trainit.it-strixner.de
it-strixner.de
sni.cloudflaressl.com
it-strixner.de
akademie.it-strixner.de
trainit.it-strixner.de
kts.it-strixner.de
analytics.it-strixner.de
mail.it-strixner.de
analytics.it-strixner.de
trainit.it-strixner.de
it-strixner.de
mail.it-strixner.de
analytics.it-strixner.de
kts.it-strixner.de

Certificate

The complete raw 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwjkP6LsCWQnms8mlMEZc
S3MzA7osgS8oSZRl+xRMl+7Du2xu+b7I8+U8CklZcisGxU/gD2+npJ0r0tsMlemg
87bqY3f9q0DHKG/QCx9cqKIl4NhLkW288e9V9l79qmBWlTHaojeH+ijmOk3tCj6w
RBXodn+UMF4snD7CMgIkVkeFrTCNWCd+9sxzczCyWE26L2hbnzFY8Q2Xp0g9M7k4
DMVAOGj2GOvNV/QYWKL1t7ABKnYHvJz5ti/IfX+XKo9SHxCMha73fXCngofg5Zoo
iZFQ77yUu3g8MmM+m10D6PyCXXRpfaIaj8b6ROoGJb6aJsr21ufvahuw4TsrTfZ+
iQIDAQAB
-----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 413496944005180171122340726451531958106600
 . . . . . . . . [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 2023-12-25 19:49:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-24 19:49:15 +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 '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 (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 24518369555815402098541896256984707025892768801758035388648324641235653811434986630764119116577946182655548345301747780915149060913823246861064398554477188040012684262101011349436936939304692562323069319953794517154122611375401892236362253670233170065776256339921887336889298033295177642023101216612592350240188895068662949665399495831185321826885082312819837271892573509826009608666167007370140923288433467656167617711832621346920413116664290249906829257332894389853401982850267663413621917932659015092060238434166472226968655898769271373105900056215515636307456326411222260153244550350084384701208821342279365459593
 . . . . . . . . . . . . . . . . . . . . [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)
							ae9d6471a3ce01ecd0e2a642308b151b5c9759f5
 . . . . . . . . . . . . . . . . [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 (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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ca2bd30fb000004030047304502201fe8045bbc37f00276803743a7a6f632ed3dadfa8e4060c054d0122a025c5514022100f9fbc425ead9318addd179c6eb158a2c6f5d57ec9b7f29d2b1027f902960cd9000770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ca2bd314e0000040300483046022100cfcf234a8a806008551eeda64162c7845be2fd48264f6c92934d5fd7661dab540221008bc1fc92575b47b9698ac4f9ce14f50645042f1c2f1940650d92f0c8fec0c93f
 . . . . [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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