grade-rc.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0a:a6:75:7a:62:30:73:49:27:93:d7:ed:6d:71:1c:02:89 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): 03:0a:a6:75:7a:62:30:73:49:27:93:d7:ed:6d:71:1c:02:89
Serial Number (int): 264960943292756195408545221186235215381129
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c9:a3:2b:57:19:fb:62:b3:f9:bc:05:79:1c:0f:7f:67:fe:29:39:ba
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 81:1c:0a:f6:46:5b:d7:35:f6:fd:22:ca:1b:8f:95:3d:ab:98:40:55
Fingerprint (sha256): 84:97:3b:73:2b:9c:42:de:d7:eb:76:0f:e9:2b:3d:ba:06:31:77:be:82:61:60:20:32:33:f5:3f:ce:d1:b0:76

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0sPIX9JHrciROOknnbHy
yiYciLUQmB0H4Dp4UyuUe6iWqVSNTm+q3RbU8xa9px6Bd/ZO5A5xwyM8cbKLjnTT
faVSkv4Gs4yuA2w6Pd3YXfKzrPlx9rk224jIIlkHoBsOerpHO2jUTjGlwJY7WCzE
5O/CRS1yXJzLEue1pq76zyEbLJQyo3MWBwCXaSU+zrCiryIVftRXXNrUEvIF6ac2
yPDYjnT4mG/Fpzd5nH4LRFULZPshTKAbwPy8KhRYgRBuREeCNlh4Zs5cbEpG6GK7
ZjyCKcRa7dKBe1Y9T66GwYjOXFOBfjNJLuzs3gNdvSr9BUNWvb/7mWAezIooVusq
WQIDAQAB
-----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 264960943292756195408545221186235215381129
 . . . . . . . . [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 2019-12-20 11:07:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-19 11:07:59 +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 26606588096464158687311183025507309583091439522594223901819916493428465632885579169824615901373700839557240543243601267114945675273324710929205094332633549593216847180865046901952557940374543223230371018730606702477074081344057535100545743468178539884312425643126387416803749827604215709946009864892024235623658684919170677619942687899173118814676133564153583653709943405607291623226144487577556489244045234081984969235818700984666252033610042626165919052464221794945820331700011494243085818063790304377360840476090736225360031465605641975397283729054567863131130569182627985457915614014140280887744853925539657493081
 . . . . . . . . . . . . . . . . . . . . [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)
							c9a32b5719fb62b3f9bc05791c0f7f67fe2939ba
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f2335176e0000040300473045022100ac246d90bbf9200774b1039e29e2e183d1fec297e0f8adc77d5a4d470095d9300220437a376c6a9978959eb1e97d8c7bb4170367e456276cf0a16cf0eb9aeec2181a007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f233518230000040300473045022003e89ca5082f8692a4efffa4f9a592c4299a9589ff8179ce9cf73f66257d614f022100a0ca381f88a963e8e59e7e39531652768c3c4237d5a79114a0e04a1157bd57c2
 . . . . [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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