infomail.computerbild.de

Issued by R3

About this certificate

This digital certificate with serial number 04:ca:1b:94:d0:74:f1:bc:bb:82:38:0a:c1:b0:24:6c:13:07 was issued on by Let's Encrypt.

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=infomail.computerbild.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ca:1b:94:d0:74:f1:bc:bb:82:38:0a:c1:b0:24:6c:13:07
Serial Number (int): 417222843688898290551262484348343061058311
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9f:d1:a5:5f:c5:40:37:dd:d3:d7:bb:39:8c:2f:95:af:0d:d3:7a:93
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 9f:68:23:a8:ef:20:08:f3:52:d8:61:bb:3d:a3:22:48:5e:01:5b:b3
Fingerprint (sha256): 05:96:be:b6:e1:05:a9:23:67:87:2c:7e:43:3a:4a:49:8d:b1:7e:b3:0d:78:42:11:c7:12:9b:9a:ae:1b:85:1c

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

Revocation information

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

Check the revocation status for certificate infomail.computerbild.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for infomail.computerbild.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

infomail.computerbild.de

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs5hc2DBdCKQq+alxWQVJ
wC3ZTb3GD9Xn7zPzFsl3Hd/lIX4JDR57AMk62BzByEnhF7KWdc9wcX/kX4tTNHvz
bLxS8NmIF9XHC4QqFLEuBu/HQmboDfgt67NXbkeHk6GLtFnkBfp6V/2tN/pSb+v9
IW1ZJvfmyQVolQdCDvK5LXkQzsjbmdDia0QOoU81I03GkydBV8QlX6W1QZwHixSo
B+R4585vr6Y0JI149Is511ZfSagxt+GdlywGaLGFRJvM/s+y0j1n5ynjbzIl/1eH
1lTnN5dBcO0sHFtrRyCUD2lthf530I4SZHSFNz+3+D5E1yQFxkKrp8DVSr7E0P9U
OQIDAQAB
-----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 417222843688898290551262484348343061058311
 . . . . . . . . [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 2023-09-28 23:10:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-27 23:10:28 +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 'infomail.computerbild.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 22671789423605061071409723817621966204458455916070007637035557593092318215042488833715977206361182463778656557152425412743277929447652375686351306541351752520219437804943244728795293059160918136742246535291030533177200452419099643817943006125624150079573886006223264564060630572735652608741360411519790696210705832861168363797128514931890421224680033533843176531940092062173724369691694322001578242089168783074565950248768603984151163230063569866830692420533316983066251759934639577994638035456519368903955069698877075934000040726416922318128045280892430451080394231326452154167223149634676834117078679641369159357497
 . . . . . . . . . . . . . . . . . . . . [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)
							9fd1a55fc54037ddd3d7bb398c2f95af0dd37a93
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'infomail.computerbild.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018ade45c9eb000004030046304402202e0aad14c5d9780f9148b33dc1c8c83b23a4b0c60cb220ada49b03c3fc641af302201138a06ed7d6e59ac75147fe0ed1a28f220bfb9540cf60f2789cc66693c511320076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ade45ca120000040300473045022100f85c9250af43ebf84a547cdac108b95a1531ab63886ff5a25fa02204e2590a000220285b341032f07ec6deb054c88397c479b9f4745b6f279a41b506ae5e26aedea7
 . . . . [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)
		008de801cbe76873ac37ae14c45ac503d3d05b5e19ea2646baba15aeaad979d12e711c97466ba1e166c06d01b2f7b8e7887f2021db9a6715735bbc90a676ca77060da61b175c8921c278ec07b9978af825698a973b95fd6eaa8add447b92bd208346a1731497cfca76eb75fde18411eb37b7b92037d81f24772305725904a9870aa66ec66f95762a45b0b857afd0ddf77bbcac7cede47d306feb0640c677e6e6fdc1c54afd89f740971d51d8add32aedfd9b09edaa2214609c7245fd040e7aabcef39b0aa3cda15f618971cc90f27814221d88a1dfb1c5dd278fb237f58ee26ccd8cfecbd9987ac87531bc945b4398d7bd13d78a489d82f4bd782477ca9f5a6c00