dev.hofa-college.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:74:74:5e:dd:6b:e6:60:a1:8a:af:5e:b2:dd:ed:1a:a1:0f 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=dev.hofa-college.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:74:74:5e:dd:6b:e6:60:a1:8a:af:5e:b2:dd:ed:1a:a1:0f
Serial Number (int): 300964295372486588384719407798845255098639
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 38:f2:da:52:53:b0:f1:b5:b0:b1:74:7c:5b:86:ba:85:78:0e:14:81
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 94:11:18:a5:e9:d3:e0:1c:ee:f7:41:6d:3b:0e:57:01:49:39:57:04
Fingerprint (sha256): f1:4f:bb:97:ad:1b:17:23:52:f4:77:2f:5c:ef:51:e0:77:de:eb:3a:99:5b:7c:76:12:de:1d:68:8a:69:0b:28

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 dev.hofa-college.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dev.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

dev.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 dev.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtDUGraxNhIwauNdO+9Mh
IijZttRr1Ovi6IJtQCXqeU2sIieHTHFUUuUTGIq0fkGaldm0DNuWq4/3MS8cbuAv
/H7UltZT7LjujnY37RUgWgTge6b0a5KPfuxl8/+30GOJwVCNtIO3fyt1F5TGqO/L
pYpDfwK6HHKFJOMvuEWJRQwenJItpw5J6Exkk/X4aMYD4LR6WRPBOxqm2rQ8LNU1
cz7aUED1tV3P/o5KAKY+gYMbARJY1KN46JVFlIjrIW5Q44jvsYwTrVPUhMgiaHb7
QxduXD1EdAOuLQ5fgB4G83mZN/KTdkmvIOF9vOgExCqGonO1o5zCj/b9W+i02kUA
5wIDAQAB
-----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 300964295372486588384719407798845255098639
 . . . . . . . . [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 2019-05-22 08:25:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-20 08:25:17 +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 'dev.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 22749043032211261117027642114415536083930503272654529679204234643229340088625548590644429901590853042731168697012359558163731788651304432515763040848741915495026241701542303288789322224348817799865612800841426092480746588052651114942815798418791190947862623272986756012453068999889157794972698503390290220593120780674129132154058187351075533239351874907722651333136966534275496351299181753059149593703189197316617360585362866622721764048749562184147514994061329418335483735853802204473702063786265684722369880274627025874864308096148868376185995290628939646343136827275806234493084181112134626525267883089568257605863
 . . . . . . . . . . . . . . . . . . . . [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)
							38f2da5253b0f1b5b0b1747c5b86ba85780e1481
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.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 (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)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016adedbf34a0000040300483046022100f45231add06f348e9b8063eb19cdc14f752857086f9be2d9c65071cf51d8c48b022100d208835e651a60eaeab5664ddacf8dffee2307192fca4ed4b559cb466346b664007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016adedbf369000004030047304502203c6a199e39d1ec79c2927ebad6641f028978ee5303a6ebaed749b5da9fca87cd022100826e80dcbed13ad3541302b84813896a580f92e8798c0f6cf95b97120435eb20
 . . . . [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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