bielschowsky.de

Issued by R3

About this certificate

This digital certificate with serial number 04:53:a4:0a:22:aa:2f:8b:13:70:4b:37:a9:27:70:5b:e6:4a was issued on by Let's Encrypt.

With 3 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=bielschowsky.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:53:a4:0a:22:aa:2f:8b:13:70:4b:37:a9:27:70:5b:e6:4a
Serial Number (int): 376910626198841618684916880044053189355082
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 96:5e:dd:5c:97:5c:46:3c:6e:58:f0:ad:4c:55:19:73:73:72:57:6c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6c:a5:0b:39:ef:fe:b9:06:44:c4:23:86:92:b2:bf:1b:64:40:c0:d0
Fingerprint (sha256): 09:ff:d9:aa:59:0a:11:bb:1c:a4:b5:af:17:51:40:6e:18:a4:1a:0e:5b:50:7e:ab:30:35:81:d9:89:2c:3e:13

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

Revocation information

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

Check the revocation status for certificate bielschowsky.de

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bielschowsky.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

bielschowsky.de
webmail.bielschowsky.de
www.bielschowsky.de

Other certificates including the domain name bielschowsky.de

(limited to 100 certificates)
www.bielschowsky.de
bielschowsky.de
www.bielschowsky.de
bielschowsky.de
www.bielschowsky.de
bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de
www.bielschowsky.de

Certificate

The complete raw certificate details for bielschowsky.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+iQpNa6B0B+yu/JYy4Qo
00sY7D51hWblynIkkpw43zBxwIbEhapM/TbEtOobbo+Se5+GmxR79jBu9X5FyBpY
WgPSHZRmEzZWINAmXKHcC6HlhzIW/qsKi6rUoVUo5E8V615itdbGAguHct6+VoWn
X6/D1sgvly3/b4maGDQP/40EChihuWL9CC/J+gaBbHQBbqXitBxqp24CpmHU8Pgh
e5jdG5jjkM4SZ3v9l+EgsTLQg0FH/4CzO7p6YtIwHQ5BgezF6LTz4owJnPlmIFEx
rj7WSiplwM1JUkbNpZPpvd02GBmi4A/HmWGHwRb4Tni5Bope2JNofVd0ZLsX+LUd
lQIDAQAB
-----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 376910626198841618684916880044053189355082
 . . . . . . . . [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 2023-07-04 00:18:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-02 00:18:16 +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 'bielschowsky.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 31577407883062629828150938126525619463446796204146335437763587525038870018460412824302452259369833713583815456798191337840074372222095765382091046038873278851956562805942610858152764037723779889919639340003380426424250968127178409344286818876760055540397068026398617803273777872525628130681579844365679131224576702886705086856707316422180428638547252811848626438159404587745624114039271794385893666366392239862184690740262103089736224813734269236053018257772471298039076115354827516187048548112316362324682634404318059957785274456250445433044340883181752879076023203927239881147228129815752780805060466892545522474389
 . . . . . . . . . . . . . . . . . . . . [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)
							965edd5c975c463c6e58f0ad4c5519737372576c
 . . . . . . . . . . . . . . . . [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 (65 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bielschowsky.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.bielschowsky.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bielschowsky.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001891e7a97740000040300463044022071219d94d84910a0f084685c206c5285a6a91103cac27a7fbbbbdfd4bed234950220697b9d3e6881892f6351f739630689f44a76a40fa5ab9d9467317150ced80f31007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001891e7a978400000403004630440220171fb2591c1d60f64d186ff02d6f7d1013edfa1f2ad7bbe9b23865da789bb48702205c1dfa86c96b89db4c2bb613c6284f271c63dd270e3682a5e7dd10220f797e89
 . . . . [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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