grade-rc.de

Issued by R3

About this certificate

This digital certificate with serial number 04:62:36:b5:ab:46:b5:ea:6f:3b:fa:70:c4:58:32:e9:c3:1b was issued on by Let's Encrypt.

With 6 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): 04:62:36:b5:ab:46:b5:ea:6f:3b:fa:70:c4:58:32:e9:c3:1b
Serial Number (int): 381869537276691050067986562185198219936539
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 3f:c1:ed:e3:47:5b:7b:ba:f0:08:fe:5e:a7:04:c1:7e:c0:18:c7:55
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e8:16:1b:14:03:53:b7:65:21:9e:2a:54:d7:f0:82:0c:a9:f0:07:55
Fingerprint (sha256): 9a:27:3b:0a:54:12:01:c1:02:2b:7e:7d:c0:dd:ea:13:c3:a1:20:5c:08:41:f5:35:da:fe:25:c6:c0:9d:03:f8

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

Revocation information

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

Check the revocation status for certificate grade-rc.de

6

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

grade-rc.de
grade-rc.org
macustar.eu
www.grade-rc.de
www.grade-rc.org
www.macustar.eu

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(limited to 100 certificates)
portal.grade-rc.de
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mail.grade-rc.de
mail.grade-rc.de
grade-rc.de
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portal.grade-rc.de
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grade-rc.de
grade-rc.de
mail.grade-rc.de
portal.grade-rc.de
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gitlab.grade-rc.de
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chat.grade-rc.de
files.grade-rc.de
files.grade-rc.de
mail.grade-rc.de
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imbie-rp.grade-rc.de
grade-rc.de
grade-rc.de
files.grade-rc.de
grade-rc.de
portal.grade-rc.de
files.grade-rc.de
grade-rc.de
files.grade-rc.de
grade-rc.de
portal.grade-rc.de
mail.grade-rc.de
files.grade-rc.de
grade-rc.de
grade-rc.de
grade-rc.de
grade-rc.de
files.grade-rc.de
imbie-rp.grade-rc.de
grade-rc.de
mail.grade-rc.de
files.grade-rc.de
portal.grade-rc.de
grade-rc.de
files.grade-rc.de
grade-rc.de
imbie-rp.grade-rc.de
files.grade-rc.de
grade-rc.de
portal.grade-rc.de
files.grade-rc.de
grade-rc.de
mail.grade-rc.de
grade-rc.de
grade-rc.de
grade-rc.de
files.grade-rc.de
imbie-rp.grade-rc.de
grade-rc.de
mail.grade-rc.de
files.grade-rc.de
grade-rc.de
imbie-rp.grade-rc.de
portal.grade-rc.de
grade-rc.de
portal.grade-rc.de
grade-rc.de
grade-rc.de
grade-rc.de

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFMjCCBBqgAwIBAgISBGI2tatGtepvO/pwxFgy6cMbMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA3MDQwNTAzMDRaFw0yMzEwMDIwNTAzMDNaMBYxFDASBgNVBAMT
C2dyYWRlLXJjLmRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkugj
1dhNztzDdDh319HV92T+RGHKIsr0/Xz25CpbYRMsc9wFoyuA3ENG++czjfSeJVy4
A94BmdTuo2EDoXKOw14pZQIepVXq7s4z8cxrovnh4MPcs/3eGMSr6wOT6YmmO6n6
6ivhGdblyfzccOFiYYeCc7fET7SxufEeLnR90Jc2e6rD6QNpvDkpPuuarADXL2Sn
bQMtTeGfeUdWP1u3vzcrK8PZbr2vfFOFp/0D3SSPKOLH6ELAvKqH1zkwBLCtmg5k
rA6Dsn0ZqA9lIq0HHkZAqwEpnvVUL291/JkvfuKsQ/bOpnv6agOpyd2gFQcw0tNz
+/Ej1VlrIDmf4agtIwIDAQABo4ICXDCCAlgwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud
JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW
BBQ/we3jR1t7uvAI/l6nBMF+wBjHVTAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm
H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v
LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzBl
BgNVHREEXjBcggtncmFkZS1yYy5kZYIMZ3JhZGUtcmMub3JnggttYWN1c3Rhci5l
dYIPd3d3LmdyYWRlLXJjLmRlghB3d3cuZ3JhZGUtcmMub3Jngg93d3cubWFjdXN0
YXIuZXUwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEEBgorBgEEAdZ5AgQCBIH1BIHy
APAAdgC3Pvsk35xNunXyOcW6WPRsXfxCz3qfNcSeHQmBJe20mQAAAYkff1CmAAAE
AwBHMEUCIQDhLCays12asEDgyv/xxjetYXi4EFKW8H4aUAUqJLw9ngIgWq5cxbFE
vBBDR/38EWyFHrgl7uKnwjUMqB5rWHfqKwkAdgCt9776fP8QyIudPZwePhhqtGcp
Xc+xDCTKhYY069yCigAAAYkff1DdAAAEAwBHMEUCIByXamJPy67HHRsnfsPPcGy/
pK3s3SLUvbmmoU5uygHTAiEAxFeEGv7RuReFYBR5DKymXS6Tjrql+Xr1xuovGP09
QBkwDQYJKoZIhvcNAQELBQADggEBAFndY/VmkKmK8HX+X/0qMsBXEUwI3ghEwUsQ
vrIHACJzthi/DHVuDt9nFXI5gvvz4bXxVXWjGx7sM0NufkD5YsbLQTKSCSYQcLYA
+pR0ZEMsxNVp0LAguMajI8yGf0VQ3vkh3V15PwVoeEq6IovlMF/qJnApzMV3EGE0
qoaz/UnoB3vl3AMjI2Y1beDJxCJDsMdBqYnurQAfopcJ8I7u9xLSOC4++R97jjMR
zEdMGfPLXl8cxJZKRk95i9V9MnT1EjidjFq47MdVrZXrk5ns7QTkWOveylNP1rCy
FmOrpQDxSYSf0Lo/FLwLsZYBRFwrvQsOaCYnfDdp9ybRuAn12Nk=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkugj1dhNztzDdDh319HV
92T+RGHKIsr0/Xz25CpbYRMsc9wFoyuA3ENG++czjfSeJVy4A94BmdTuo2EDoXKO
w14pZQIepVXq7s4z8cxrovnh4MPcs/3eGMSr6wOT6YmmO6n66ivhGdblyfzccOFi
YYeCc7fET7SxufEeLnR90Jc2e6rD6QNpvDkpPuuarADXL2SnbQMtTeGfeUdWP1u3
vzcrK8PZbr2vfFOFp/0D3SSPKOLH6ELAvKqH1zkwBLCtmg5krA6Dsn0ZqA9lIq0H
HkZAqwEpnvVUL291/JkvfuKsQ/bOpnv6agOpyd2gFQcw0tNz+/Ej1VlrIDmf4agt
IwIDAQAB
-----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 381869537276691050067986562185198219936539
 . . . . . . . . [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 2023-07-04 05:03:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-02 05:03:03 +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 18545265016500960443189509739758032107921172985797938729125492909212405302604150599121333029376088040942007375999898647030001291783900667944388169011500775787224283956291737735451592147660030446356169196053643306478913479006545320099581356087032935617173416765981328094241991399504865810554635873929980217297378834288541051826197527758128280587317116760502056989542627551587162662572536874523783108077875375477653176480831802899543026053825838495922470843668220519215561975354719780812654010045107078774536972952845086293402056095430532577289024242641338474783829610703431195004050700041799581912777425250471463365923
 . . . . . . . . . . . . . . . . . . . . [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)
							3fc1ede3475b7bbaf008fe5ea704c17ec018c755
 . . . . . . . . . . . . . . . . [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 (94 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'grade-rc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'grade-rc.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'macustar.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.grade-rc.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.grade-rc.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001891f7f50a60000040300473045022100e12c26b2b35d9ab040e0cafff1c637ad6178b8105296f07e1a50052a24bc3d9e02205aae5cc5b144bc104347fdfc116c851eb825eee2a7c2350ca81e6b5877ea2b09007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001891f7f50dd000004030047304502201c976a624fcbaec71d1b277ec3cf706cbfa4adecdd22d4bdb9a6a14e6eca01d3022100c457841afed1b917856014790caca65d2e938ebaa5f97af5c6ea2f18fd3d4019
 . . . . [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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