studienseminar-gym-os.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8b:b3:d7:fb:73:53:8b:8c:4b:ea:08:94:95:ad:9f:74:c3 was issued on by Let's Encrypt.

With 2 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=studienseminar-gym-os.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8b:b3:d7:fb:73:53:8b:8c:4b:ea:08:94:95:ad:9f:74:c3
Serial Number (int): 308875160052383176455216135068745618912451
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fa:fb:df:fc:21:23:f9:80:05:0b:21:46:3e:98:0d:eb:18:f8:cc:ba
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 84:1e:7a:ad:e5:5e:80:e8:02:ff:8a:c0:54:0f:96:e4:08:68:64:54
Fingerprint (sha256): 3a:1d:76:1e:95:72:a4:8f:83:14:a8:b9:8e:40:4c:8b:de:9b:a4:48:99:62:c0:18:ae:6b:a2:dc:61:e7:78:c8

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 studienseminar-gym-os.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for studienseminar-gym-os.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

*.studienseminar-gym-os.de
studienseminar-gym-os.de

Other certificates including the domain name studienseminar-gym-os.de

(limited to 100 certificates)
studienseminar-gym-os.de
iserv.studienseminar-gym-os.de
iserv.studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
admins.studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de

Certificate

The complete raw certificate details for studienseminar-gym-os.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2EC8qUy0DkULkDmQQ05
wYRuUKDx0l3N1QgWKDKu2P0TckD7gPlcWyClb6nUcLk/VCZ6W/3nMOULIDhWwyGb
1Ddc9ufF6x6stabXb5bsvMn1cf6Ad55W0BoHR0m0urPWss6WcSfc8mOIMIpP1P+V
4E6oUcII3GjHyiQV+yfo0jW0vt1CBzt5KwK6dR26UHpZpgh25LyiTX1X/RqqPaYp
5e0RpevflbKp/tCQKnYex2N0OW9G8DvWnVPoFLf4iTQtsSNZ/rxv8UANxqWu+xtv
glEg7p89veMZLeaniDaZodScP2MClGhc3ZLetORqTsHVztD3/arDpcZb7aRggUxw
nwIDAQAB
-----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 308875160052383176455216135068745618912451
 . . . . . . . . [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 2019-11-09 21:22:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-07 21:22:14 +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 'studienseminar-gym-os.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 24159354409503331309255584955399665211322186999994307093316942784898298629060537917324515045301399743225740277458112939487874582748010950926556550744258672515107598892146929097893645325144928024940269539806237275846144676593324395222774891863451074142845422917620394518604577356150824554801938735236106291333093965282267576655990263528937421563166871063244656186125515197039072145599716427848006980751388818252275547432406479495668831344349293601289561532018419318945535641389158788894593330162843670580785718545771603335726739239483135863847457906000273404502545781573731481934531258466713658715085266874556071309471
 . . . . . . . . . . . . . . . . . . . . [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)
							fafbdffc2123f980050b21463e980deb18f8ccba
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.studienseminar-gym-os.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'studienseminar-gym-os.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e5242b66100000403004730450220668f76eb6742cf75d4e7d75f2ceb67b851e101eb02f15339c7340dd80a992b5e022100b4284f036849ae5aadb28554de7391b4dfcf9c04420dbf22aa7616367e9c57ac00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e5242b6840000040300473045022100f09b3e1ed7e731c272113ce54df5c1b2da6fd761a199e21570c48d797c596171022003ef3ec36c807db0aac42ae822c115a3629bf31548e8a9bb84f57d8d66fcef86
 . . . . [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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