studienseminar-gym-os.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8d:e1:58:ca:fb:da:08:90:c0:50:3b:d0:a4:fa:c7:38:5b 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): 03:8d:e1:58:ca:fb:da:08:90:c0:50:3b:d0:a4:fa:c7:38:5b
Serial Number (int): 309616208869308707240275899782391849760859
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 96:f6:0c:f5:dd:6b:69:bd:cb:c0:82:bb:0b:31:40:9f:3c:f6:13:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 05:61:1b:06:0f:f1:c8:79:13:c9:dc:70:c9:09:71:44:f5:e5:2a:64
Fingerprint (sha256): ad:bd:c9:8a:29:7c:fb:53:4f:b0:d7:f4:cf:d3:0e:27:de:3d:54:d6:83:72:53:6c:ad:0a:15:91:18:e6:d7:e6

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyRDW8tM3i2RH11t98i+A
WbiU0l5viOCqdwTtlQLezq14JNyBixTIpFRtX0tzjTrW4kgwVdbZlBPYHpTBj7Qv
4ng+fN2kM7Gz8gXxCS9iMtVWyQaMS6dytFkkvbEDk32YR5dFeQPIIxwRBI6UeY2w
cT/9pGy6nGv9ia2Sff65XHAQGAug8THG6YJG0KO4I7jG9k4meLJAnWwrLoRG8YNZ
cQVAPZCsjNEktwQViYuMEEHGrwE2xcpUSmk4aLBH/eGTw4Gqqy//4CEG/trzk4MA
o6DDoX0O1Zzm4+95tu+TOAg6zm2u519CPdiGliRLBy2tsH97Wc12BcHbh4Qh9uJc
4wIDAQAB
-----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 309616208869308707240275899782391849760859
 . . . . . . . . [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 2019-05-12 23:07:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-10 23:07:03 +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 '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 25382203235493254390630402712502990323528840887720278787349437518479947729971267998107474215418357605413584851863787118500766995144081474069245115192325710354754781724453949235363297027397515426230768626601621389780820223583564471932618457298850613309116028374301484485898789409332996685399085029438674206210679477151919519564581512612987717915140653519655955117203993057459112322040996312535426717440873372589121914260286728012357672233965997145837213190405296237914280905002325452958043869394015760962241821345700193049707540135026631661008989494342592826054221996019211605409587763433425303218173394697905133214947
 . . . . . . . . . . . . . . . . . . . . [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)
							96f60cf5dd6b69bdcbc082bb0b31409f3cf613d8
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aae83a21f0000040300473045022100d69a6d2dd5056f1c4acd3bb0efc01c391b1c7fc9d65b17afd58597b00de356fc0220285173a4bb6a9bb5519ae30e99173c130861d7841a730da91d673d8546ea7359007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016aae83a21a0000040300483046022100a5aa2ebdca9e67f641f75b877b0d89f1fe2c95797368646323756f4b2135bdb2022100c2cc9f3955eedbe8b21c6200d72f9fb2b875fb152888985fd6fad6c34dc0709d
 . . . . [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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