grade-rc.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:71:ff:f6:b6:10:f1:14:c6:ff:29:6e:88:ea:fe:ab:95:c7 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): 03:71:ff:f6:b6:10:f1:14:c6:ff:29:6e:88:ea:fe:ab:95:c7
Serial Number (int): 300128999394039948896871170285030431495623
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bc:d2:f7:be:86:40:5c:0f:de:f9:ff:da:1b:76:00:d4:a4:9b:21:7d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 51:e8:41:84:c2:a5:25:30:38:88:08:49:4c:61:33:af:51:0a:0e:08
Fingerprint (sha256): a8:ef:1b:f3:27:e5:d7:96:ff:19:92:e9:1e:78:67:02:2b:19:d7:9a:5e:b2:97:0d:9e:de:b3:46:91:5b:1f:44

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvwfOV3xM649Jnuv+BHdM
clLQvuGLTwtowHxFDkInU4WJOwBII5oSp2LYQRx4pyi10NEpsgDlE9ST8CGG1CZc
FuaiPR7HMmm/0YtBe8SkUVs/Yckps4B1dS9bvgN5NMzo9bVzRxPLKSq02RWlCi6X
oG2duBIIs96IyZDa0HZ1dDF1LsSrj5EIb7ZluWfvROnOZd7pBT1+LkpLgTT/HIvF
/aM1nPeVAgtYMHfws0k8/2XHZ94HeUW4zT/TTmo+LT/yNVZcX9Gf/dGZ4/RQkf1A
rhM81pbr4ZasGNrlRL1jBow+JJeIynGmgZrwy1+nmFFfFvKSyYb/U2cRRAgMFxvP
sQIDAQAB
-----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 300128999394039948896871170285030431495623
 . . . . . . . . [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 2019-10-21 01:41:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-19 01:41:22 +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 24115365541639360707469819214645696173251629554697143077345536178387110049114711825284662878343737642816256025129273529790656591564088914078381922489943226808330435506001181723986534837825747434344152921496337229802254526015486533352051980469484284022247745806112295115501693598074680808059342921068740503415611627447265253330212312926854987918469240984929034640873786586688184726891394723522099182709127978255983158245495397875689750078218404554237260159167488022158220538487038745146119230043325727898381142088003613515180877252587838165063895230154364319960264984795293840667189491280205806529028222135305116569521
 . . . . . . . . . . . . . . . . . . . . [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)
							bcd2f7be86405c0fdef9ffda1b7600d4a49b217d
 . . . . . . . . . . . . . . . . [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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dec30c4d60000040300483046022100c6914f57530186b86841f09ae917151e5b316a43ea67a49abdeca4289a5970f8022100e090f3da24e20872b191177f3c7ff94bf7c1000847bc2b592bab39d1879d2cc3007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dec30c4c90000040300473045022100c3430aafb138ed047aaadcb1fe529b5b58ab88ba2c04be56ac5bd3ac71a5eec7022048049fbd32ed44f0d163f069968c8a1da01f51bfe592c6541b77976f27549bbd
 . . . . [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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