grade-rc.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3f:e1:65:8a:e2:b6:58:85:3e:96:70:1c:9d:f2:b9:74:74 was issued on by Let's Encrypt.

With 9 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=grade-rc.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3f:e1:65:8a:e2:b6:58:85:3e:96:70:1c:9d:f2:b9:74:74
Serial Number (int): 283074250449268704545701287185229201110132
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a7:9e:96:3a:24:06:a0:9a:9c:cb:fc:16:2f:fe:02:2f:b9:8f:eb:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 68:20:7f:88:7b:15:3d:66:d5:c3:82:ae:c4:83:e8:a8:39:39:15:95
Fingerprint (sha256): cf:ea:86:89:f2:49:22:df:d5:1a:48:55:a3:1d:2f:76:5d:40:bf:60:1c:bc:a5:ed:35:02:b7:63:f1:e5:da:39

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate grade-rc.de

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for grade-rc.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

files.grade-rc.de
files.macustar.eu
gitlab.grade-rc.de
grade-imbie-gw.grade-rc.de
grade-rc.de
nextcloud.grade-rc.de
nextcloud.study.macustar.eu
rop-register.grade.uni-bonn.de
test.certification.macustar.eu

Other certificates including the domain name grade-rc.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for grade-rc.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwix6IqaCXRsQDBf5td06
ZZikt+TGXDyLHKPxMmoXSBvMTebnYWPBXX2C6aL8QsoSrMPKniSymt2+z4cVUw/P
4bPNHVTBOUTkJwYOIqkScGxTy0C2dUyb4+fcH6IOZRmQe1ODYca3eNZlvyccd/IW
gsQsMIX6j+cauc0OKUozomUTBfafirbMTeU//ubU3cX2nSMK2fsEXuMBzYLP8CsK
7niLsvwgAlDWH5IopNbYpu3gWUyyfzwxhEYbt0KlzeS8qcxHoMDWjgB8lyJi51ZO
CxJ0rKn8K+Dq2RjZZH1yyHquVlycZhPW7MB1mQpfncVUkEvm86R4XUUXJGvxaOaB
DwIDAQAB
-----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 283074250449268704545701287185229201110132
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-18 13:45:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 13:45:24 +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 'grade-rc.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 24512163634532099064414407046349587463939841829344300007583302292653802689523094936318772874388302066949069359444119516008273747875008405964177839307404900874279964415863708468417452572569994829939078955637118266562876775012532973201845969696325024366961804167814504908833040101345464188868017565662760030061727684089143778558183799416747388466630489554043338313942195428495176241146146915362849307930898137737861547664423339903021136629184508554727023565300411104283034168467863068417958042680935844694827573370744311367909600479387255916547669838719629466514145505376932442527750665757242655176606108275535463743759
 . . . . . . . . . . . . . . . . . . . . [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)
							a79e963a2406a09a9ccbfc162ffe022fb98feb51
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (218 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'files.grade-rc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'files.macustar.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gitlab.grade-rc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'grade-imbie-gw.grade-rc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'grade-rc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nextcloud.grade-rc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nextcloud.study.macustar.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rop-register.grade.uni-bonn.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'test.certification.macustar.eu'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017058c2c7a50000040300473045022100bd95e9935ed2acff5170e6452904e5c3b1e1e3e05840eab31fa352ffdfa9ed5c02203b1603491e89b7b8b363f5c7471306658e39531c2882e3e3d9c11be90e976c2600770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017058c2c7f40000040300483046022100f62b45261fd18112973076403d6e10c9041196f5cefee0a576c80211a0017289022100fc0825b88d6e4c026627bd04815bf2017fc1503bae625bdd9f46e4c6f107fbbd
 . . . . [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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