oberschule-rosengarten.de

Issued by R3

About this certificate

This digital certificate with serial number 03:dc:38:44:28:03:66:79:58:00:8a:22:66:47:9e:ce:61:a5 was issued on by Let's Encrypt.

With 4 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=oberschule-rosengarten.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dc:38:44:28:03:66:79:58:00:8a:22:66:47:9e:ce:61:a5
Serial Number (int): 336273769173403320359189230072636843647397
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b0:08:cf:e6:d1:d6:70:a4:b4:3e:d9:cc:47:7c:a1:f7:57:9d:f8:53
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 66:3a:c5:47:98:dc:83:d6:fd:f0:75:94:7a:e8:cf:61:ba:17:ac:f4
Fingerprint (sha256): 29:c6:3e:24:0d:dc:4d:fb:ab:77:41:51:bb:6e:72:c5:74:0a:2f:28:b6:30:a5:b7:08:eb:8f:e8:fa:a6:56:15

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

Revocation information

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

Check the revocation status for certificate oberschule-rosengarten.de

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for oberschule-rosengarten.de

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

*.hrs-rosengarten.de
*.oberschule-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de

Other certificates including the domain name oberschule-rosengarten.de

(limited to 100 certificates)
oberschule-rosengarten.de
hrs-rosengarten.de
iserv.oberschule-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
oberschule-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
hrs-rosengarten.de
hrs-rosengarten.de
iserv.oberschule-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
oberschule-rosengarten.de
www.oberschule-rosengarten.de
oberschule-rosengarten.de
oberschule-rosengarten.de
admins.hrs-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
hrs-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
hrs-rosengarten.de
hrs-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de
oberschule-rosengarten.de
hrs-rosengarten.de
oberschule-rosengarten.de

Certificate

The complete raw certificate details for oberschule-rosengarten.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEOUsdqFNFmT9Vcacg8uuyZzGLtWqF
ZN4W4/0HJdCR7l3mR6zTwq3sEhN03+t2SxZurxeOqicFVX5bAng8jGApRQ==
-----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 336273769173403320359189230072636843647397
 . . . . . . . . [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 2023-12-29 18:44:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-28 18:44:15 +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 'oberschule-rosengarten.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004394b1da85345993f5571a720f2ebb267318bb56a8564de16e3fd0725d091ee5de647acd3c2adec121374dfeb764b166eaf178eaa2705557e5b02783c8c602945
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							b008cfe6d1d670a4b43ed9cc477ca1f7579df853
 . . . . . . . . . . . . . . . . [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 (100 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.hrs-rosengarten.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.oberschule-rosengarten.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hrs-rosengarten.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oberschule-rosengarten.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)
							00f1007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cb71b1b3d00000403004830460221009e9d5d5d72892efac6816f75c537bd7974329a9e1bb383f97444b53d3d8a8ced022100c3a3db56418edb1dd84305742eb5362673e0623da84e6a6f0e2a5b043aeda23f0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cb71b1d360000040300473045022100df22e486c660525b693261b0eae67839e618dae4bff369ee07610964769421e10220015862d6893a89fb2ac12e84190c595408d5b6ecccd24457b7a63a187b2623db
 . . . . [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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