markgraph.de

Issued by R3

About this certificate

This digital certificate with serial number 03:9d:e0:7e:36:56:d1:c6:7b:5c:ac:1e:da:7a:04:60:80:5d was issued on by Let's Encrypt.

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=markgraph.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9d:e0:7e:36:56:d1:c6:7b:5c:ac:1e:da:7a:04:60:80:5d
Serial Number (int): 315059591804456738137775620678951354007645
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9a:8b:e6:87:be:5c:8b:16:7b:6e:a8:4c:14:15:b5:68:7d:6e:f2:22
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 78:a7:d6:a4:d6:a8:25:cf:ef:b5:ad:fe:64:63:54:34:d0:45:62:fa
Fingerprint (sha256): 7b:9b:9c:11:43:dc:57:80:6c:83:c7:0e:be:30:18:e9:84:90:7f:14:4e:31:a0:d0:af:8f:98:ce:2a:dc:db:92

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

Revocation information

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

Check the revocation status for certificate markgraph.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for markgraph.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

markgraph.de

Other certificates including the domain name markgraph.de

(limited to 100 certificates)
www.markgraph.de
www.markgraph.de
markgraph.de
calendar.markgraph.de
markgraph.de
git.markgraph.de
www.markgraph.de
conaktiv.markgraph.de
*.markgraph.de
seafile.markgraph.de
www.markgraph.de
markgraph.de
srvconaktiv.markgraph.de
calendar.markgraph.de
www.markgraph.de
*.markgraph.de
calendar.markgraph.de
seafile.markgraph.de
www.markgraph.de
seafile.markgraph.de
www.markgraph.de
*.markgraph.de
git.markgraph.de
markgraph.de
markgraph.de
srvconaktiv.markgraph.de
git.markgraph.de
service.markgraph.de
seafile.markgraph.de
service.markgraph.de
preview.markgraph.de
mail.markgraph.de
seafile.markgraph.de
seafile.markgraph.de
*.markgraph.de
markgraph.de
calendar.markgraph.de
www.markgraph.de
mailin.markgraph.de
www.markgraph.de
www-old.markgraph.de
markgraph.de
www.markgraph.de
seafile.markgraph.de
special.markgraph.de
munki.markgraph.de
seafile.markgraph.de

Certificate

The complete raw certificate details for markgraph.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtLuWA5lzp5rEjBjJmyU5
oisNXLjz5zi7oiZjEdnJd9ft6w1WGF7trAds7TNyxckeAxtgqAik1OTtCphi+/GD
KEgprAeq7AeBeNgOkgIVkiMZf11i0vUDsvpK9cJDS3pNDKleR4z9Dmqg2FrKu4kA
h97s1Qxi4RU6ILvSmkYW3P3IBsfcXuEGeWlzBdb3kd2YNFXmtmQWbzO1eH8X6LAq
9g+qZIt+b9+/hlw7riY92NmVmTZX9FiYbi+DKEaXlzzHy7ZaI94w4mhBBdeQdfgp
WNFvs/nDfOOOBenHlGeOM2KTCx9T/pv/4C4OMqsbtb4DfM+LwTWIYkw69T9xsA00
0wIDAQAB
-----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 315059591804456738137775620678951354007645
 . . . . . . . . [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 2023-12-11 00:17:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-10 00:17:52 +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 'markgraph.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 22815396994354735290382348172410293605807377202254293302260318440076057878951494320249785112210485006131960903539466794852791633385615819565505953233674053741293911212878214516836722449430541728913663732539513072308356212295393455427925109847139536308256245286609469463553185456731664228635353535497971524902854644183535685791025580957983598199346110120050413000394385554671209441546636070341144484790131796550132144537176582659642830807912409092671458259140452925364061918865603718185812394756355267447840323702781785696809964211071390657137333457892842321772260192412309336268053529700339369224462169938771361739987
 . . . . . . . . . . . . . . . . . . . . [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)
							9a8be687be5c8b167b6ea84c1415b5687d6ef222
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'markgraph.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c5673b7ee0000040300473045022100f900b79e1f10ce54a642a3f235542fa746532bc5d3bc3d8f61c262e34bc3e9a60220182af86d91269dd6ae0fff040e9544a2ff9754696f8a27566b529a1b82ff31d000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c5673b9e20000040300473045022100a0cf25f655331bf835ac884ce8e5150539f83716890f7c1ab5a01979e99e055502206c14a173c32aa18d1a801c8f9bf05c442851cd0be45cb213fbd37a1334d47644
 . . . . [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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