link.mailer.stylebook.de

Issued by R3

About this certificate

This digital certificate with serial number 03:15:1f:72:22:c7:c8:45:96:0d:13:81:1a:ec:5c:d5:4e:a5 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=link.mailer.stylebook.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:15:1f:72:22:c7:c8:45:96:0d:13:81:1a:ec:5c:d5:4e:a5
Serial Number (int): 268524586195761965025949641315161336008357
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 04:e8:f2:e4:ed:59:20:c5:dd:b3:90:1f:19:9c:50:8e:8d:29:3d:74
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 96:64:a4:1e:fd:15:b0:53:8e:49:7a:50:b7:19:1d:db:82:c2:99:46
Fingerprint (sha256): 01:df:32:e9:f2:2c:cc:26:17:59:4b:eb:e3:b0:5d:9f:ea:f6:58:55:86:33:e2:30:74:f3:17:d9:1e:ad:f1:56

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

Revocation information

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

Check the revocation status for certificate link.mailer.stylebook.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for link.mailer.stylebook.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

link.mailer.stylebook.de

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*.techbook.de
pur.stylebook.de
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kmp.stylebook.de
data-ade1ea328b.stylebook.de
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*.myhomebook.de
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*.stylebook.de
link-test.mailer.stylebook.de
stylebook.de
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*.myhomebook.de
data-e723f0d7d1.stylebook.de
link.mailer.stylebook.de
embed.contentverticals.de
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kmp.stylebook.de
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kmp.stylebook.de
stylebook.de
image.stylebook.de
data-ade1ea328b.stylebook.de
kmp.stylebook.de
stylebook.de
stage.stylebook.de
stylebook.de
blogstars.stylebook.de
stylebook.de
pur.stylebook.de
productstorybundles.stylebook.de
stylebook.de
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Certificate

The complete raw certificate details for link.mailer.stylebook.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2pLMthpMDXjhq250t5f2
PusHVdl4GNElywOXZgRedGZd3y7SuhfdVtyif46nCoDfFFlGmBFTYfcF+svTt+eR
xNXjOh8uH2IEu+j9yJHo1DF0pFqWvdWSJINH903+A509wfVBt3a3HP7tx9vx7Y16
U/QepnVfRIKv9iCPgmgKz8Bx56AG3+ckDl03isc8UjWLMKZaROvLaygxM8Leu6Pm
It6hOX7xqqCHH3DMJs2meCCe98TEbqXTIBpPS/X2x8i21asMmXON7d6h5ylhirZH
Im/0+nwApy77gV41V2midOaiG7chtPvf1i2X0f+BO+iVD/awi6dXzDt+NMocpt9W
qwIDAQAB
-----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 268524586195761965025949641315161336008357
 . . . . . . . . [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 2023-12-14 12:52:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-13 12:52:49 +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 'link.mailer.stylebook.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 27592340089821604922179946559132344905057243111312843664748239862158356601463218072484202854870030901235118540314429587242619578966772088853988013545762583863768608388239746718590467285421194459339230896733358620236613487807267542479071535799064406786005953840485416186156776493155625940029105011375648043086019427516677935583576809529490351260898413309847322170952709257069782804328076095778400191671209908789852012613610744458632838145376671295255897803073758175629767104375289922778330992685645573943668296672091310540264526146915433792344530182181306542362703353999195054818055338698293020967477439313535410591403
 . . . . . . . . . . . . . . . . . . . . [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)
							04e8f2e4ed5920c5ddb3901f199c508e8d293d74
 . . . . . . . . . . . . . . . . [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 'link.mailer.stylebook.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c6899fa680000040300483046022100ad6fbdbe7142034fe04430d5bd16a0582f60de3acf25dc48540e455e3bd3ad66022100b44d813198cae331018f23c73fbe1a574eeb45a4f3cd1ba5fb4dc613581703c30075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c6899fc3c000004030046304402207330e801ff1cfcb91633f13b484db08461d522fadca47c86605a33affa64a915022048fba732671e251e971d343ff2bbe68f88a3c39b2146b6866195d3c6a3a2b37c
 . . . . [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)
		00165bebabdc906c54530eb644a56f2a8eddd66ca87eccfc57b0df801d7656354fe42645c8110a60c6e4955cee301295bf8cf33270dca36bdce8761a7bbb4128db29e2548e7e072826a576d3f8a434ccd9e40ade932f050e70258b309f44b7489da79157a53533f2f5904405578c79128ae20035760f47324bee3bc475c67261d7551674540f79b487cf6fae03c3c3c257a9240a8fc2454f5e3377fdf1856eacd4e7058411c74cca6c53850bba2937087f9fa5f6014f0e557226cd417fc54261fbeeb7708e0d0b2b4f7dfb39ea7843ba6dab3f8aeee4d1cb9450b7c0e9d517e6a05e3c68fa2350efc88071b9512a28e3568a6e2683998ee7610876197a9099770e