www.hofa-college.de

Issued by R3

About this certificate

This digital certificate with serial number 04:49:cb:38:94:db:a9:d6:b5:f5:70:74:e3:c9:50:6b:cb:b2 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=www.hofa-college.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:49:cb:38:94:db:a9:d6:b5:f5:70:74:e3:c9:50:6b:cb:b2
Serial Number (int): 373559883583238061759000821467666212178866
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 18:c2:28:33:69:63:4b:0a:f5:f0:8d:7a:04:09:e3:c9:93:8d:8a:d7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 10:ce:d6:71:ad:d1:cd:8d:ad:21:44:21:37:f9:e2:e9:3b:41:01:d5
Fingerprint (sha256): 6b:8c:48:db:a4:3c:5c:59:41:e3:be:a6:0d:2a:8e:40:60:34:f7:27:31:35:47:fd:43:97:de:f5:50:e8:01:e9

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

Revocation information

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

Check the revocation status for certificate www.hofa-college.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.hofa-college.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

hofa-college.de
www.hofa-college.de

Other certificates including the domain name hofa-college.de

(limited to 100 certificates)
oc.hofa-college.de
campus.hofa-college.de
oc.hofa-college.de
dev.hofa-college.de
hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
studionews.hofa.de
campus.hofa-college.de
support.hofa-college.de
campus.hofa-college.de
studionews.hofa.de
www.hofa.de
campus.hofa-college.de
studionews.hofa.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
dev.oc.hofa-college.de
hofa-college.de
www.hofa-college.de
hofa-college.de
campus.hofa-college.de
hofa-college.de
www.hofa.de
hofa-college.de
www.hofa.de
www.hofa.de
dev.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
oc.hofa-college.de
hofa-college.de
cdn.oc.hofa-college.de
oc.hofa-college.de
www.hofa.de
oc.hofa-college.de
campus.hofa-college.de
hofa-college.de
studionews.hofa.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
oc.hofa-college.de
campus.hofa-college.de
studionews.hofa.de
campus.hofa-college.de
campus.hofa-college.de
hofa-college.de
dev.hofa-college.de
dev.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
campus.hofa-college.de
oc.hofa-college.de
studionews.hofa.de
campus.hofa-college.de

Certificate

The complete raw certificate details for www.hofa-college.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzFOdNbbhBJ6px5K2lWHj
G+Q4DLB9NNkK6KzjGRsTg0pNQDZWweMKFDc/6THIBBBuglEoTWMifHFsvbRA9R1Y
o30cTOcKZYqrJq5Y1srE0bt8jMLV0M9F4fSZuOkoPTDVLl+/IZS1xkfY9laHv184
qDA2bsfIzyex2o211S0+kmdj8EhwVyG2aX/VW6ZQ1DCBvzywJX6xqXXT+t3iHC8f
4Tz5MQcDoh/UhNWb9Jbj2Zj4wWmxlm2OIzmySRsFZ4medD3qADtWwsFIfp3RhgU3
p6UdpjHuhN25JZH9FTcpPLQzfQwUbqpoOoS1LaESxVtum8J8v6oYElQXEz9vk3ku
AwIDAQAB
-----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 373559883583238061759000821467666212178866
 . . . . . . . . [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 2024-04-03 15:11:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-02 15:11:25 +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 'www.hofa-college.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 25793845862937745298448682341475628507606861438306220698345227890296728969178433549742047985210469240339656550799564406643628470199673772286249836792503488122661913612961866813004732165427715203930638312317346984862253227012332662555147166106351398094710081024799368658794641471364005876916579554982193010159087977690387479275800030413221842176103411772087448527730287262388954313511406884655785318918618607407512252032249505217176889211114115285297026919222094128137054243990068972915765111232811713975554842439971571605312071316573976952142184810129797650144934080539878847834999713215651959626403487493420358381059
 . . . . . . . . . . . . . . . . . . . . [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)
							18c2283369634b0af5f08d7a0409e3c9938d8ad7
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hofa-college.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hofa-college.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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