oster-abo.de

Issued by R3

About this certificate

This digital certificate with serial number 04:78:23:f3:88:ec:91:8c:8f:b6:c6:3e:d4:ef:9c:4e:1f:42 was issued on by Let's Encrypt.

With 15 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=oster-abo.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:78:23:f3:88:ec:91:8c:8f:b6:c6:3e:d4:ef:9c:4e:1f:42
Serial Number (int): 389330815242693295925468319032580800126786
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 51:5f:22:cb:4c:13:c7:4b:56:0a:cf:89:ee:ac:0d:f2:09:2e:de:78
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e2:81:c0:1a:f7:b8:ec:cf:cc:86:4f:a7:df:e4:a6:4c:16:50:ac:08
Fingerprint (sha256): 1c:37:cd:1c:da:5c:cb:6b:ad:4e:cb:fe:ec:9e:5a:03:b1:1a:2a:af:5e:26:98:db:3d:96:e3:24:7c:bb:56:76

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

Revocation information

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

Check the revocation status for certificate oster-abo.de

15

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for oster-abo.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

brigitte-woman.de
geo-special.de
geo-wissen.de
geoshop.de
ideat-germany.de
impfen-gegen-corona.eu
innovation.guj.li
oster-abo.de
osterabo.de
pm-fragenundantworten.de
stiftungstern.de
vor-namen.de
vornameforum.de
www-vorname.com
www.oster-abo.de

Other certificates including the domain name oster-abo.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for oster-abo.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArgHdgdO90m8B5ObYZv9d
e8UDCRwAtJ3pNIlxQuiXozGHCCh1RbatACDw/SxQHN/UprTtZNl0O0SNSx6VzZYg
UNokWC5QajwmiknOqPUuj9qgAcQg6nrXgheDtucJwgj2J5L8eewQzl41R8ad0Zf2
0ipPsEtRiw8doXUeGZxvZ47KcA8Nj9gqiFJPSdgM8ye0FA+8EWgS5HnJu9uFKxCl
qOZZCVDCdMk8+aJ76CHBfJYHemgetkwdL9+PUofbIe1mXVlyuzdeADWG2HcSpuvo
06h2PAix0vWrFSWRg8JdojEXOvLYTjYT9oBf/4Sqg+IOHRGwIeFwHICgO2FC/PBD
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 389330815242693295925468319032580800126786
 . . . . . . . . [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 2023-11-07 15:08:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-05 15:08:26 +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 'oster-abo.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 21966384859193159323146955919509167068930232026337493152356068441030639225812275130679593610764567607669313916116093757811996413987388638333555348149863002852318953491348889219969603715867636826934400143296029618237656973714297034497205944859334605594664654416215247658235586016125026651450033776056337506005243089237540248105360704349432444627020354260820354655208016227496962344356941964212636628951413216548734230428372358377964985477116425417542086268324582616795156655900116765570027747719751050323832596999240383695399252208199690920989363541719753805325726051658108892397185356906381654199988105884498001937323
 . . . . . . . . . . . . . . . . . . . . [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)
							515f22cb4c13c74b560acf89eeac0df2092ede78
 . . . . . . . . . . . . . . . . [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 (264 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'brigitte-woman.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geo-special.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geo-wissen.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geoshop.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ideat-germany.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'impfen-gegen-corona.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'innovation.guj.li'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oster-abo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'osterabo.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pm-fragenundantworten.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stiftungstern.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vor-namen.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vornameforum.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www-vorname.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.oster-abo.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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018baa8ad613000004030046304402205977f9e34f736efcf048ec58a4d727adf66468848f9a17a193aab87599e4d3460220196e4d8442fd0020a75544c0f8ab8d958780bdb6d3f6810656477be300b2322e007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018baa8ad64a0000040300483046022100e1b48d036e79a16d31638d520819fd38576173ab0b9ffc16e9342068fdc5889a022100843a5d02d38ab50694dab73c5f0ee8aa111a24109255c0a621d1369e11d65cab
 . . . . [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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