*.rusgymnasium.at

Issued by R3

About this certificate

This digital certificate with serial number 04:2a:9e:cb:15:5a:9a:83:f3:c2:a5:c8:fd:3f:0e:3b:a1:e2 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:
  • 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=*.rusgymnasium.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2a:9e:cb:15:5a:9a:83:f3:c2:a5:c8:fd:3f:0e:3b:a1:e2
Serial Number (int): 362952075630425657844774120435943078601186
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 21:95:9f:61:55:14:87:9d:b4:40:1e:83:8c:e0:0a:f6:db:ad:d0:56
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): db:5b:b6:c2:69:ac:9d:17:ae:69:b0:4d:4c:da:c3:e9:12:5e:3b:08
Fingerprint (sha256): ce:aa:56:f3:d5:26:3e:f6:08:71:a8:5a:f5:99:0e:9b:b1:13:b2:cd:b7:89:f4:49:84:05:e4:51:42:82:24:e5

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

Revocation information

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

Check the revocation status for certificate *.rusgymnasium.at

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.rusgymnasium.at

Public Key Algorithm

RSA

Key Size

4096

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

*.rusgymnasium.at
rusgymnasium.at

Other certificates including the domain name rusgymnasium.at

(limited to 100 certificates)

Certificate

The complete raw certificate details for *.rusgymnasium.at in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAu5s+Bla83odTU5Da08CP
GJF3+LOGkzZZBljPBNWBuuj0PePKLJMcLKLvsCHhiAY5rILGiQDrwoUqUt6VRy35
l3rZLCK0vnZgfYmiZQICvLGmUv1PE2eX+IGBbPMmEhj2RRYkVNXYQP2X9CG/W2gz
I/QbxoeipylU1RDNIBvbEXju+IqnIQN6RAAAFmMI07StjQGNdFDJDZaZnN+trqOx
I3LSUwTpKwkyUESBdEMdBOQkk4WdzUwmda3xauNn++yM2V5nnncTv067Hgtjv4UR
16p4Xl2NJous7jw12llbwMHd2/E50081k6ZdwnZ3VaCNVPtoLPT9TCGK0275OyzZ
Nl0ZGte7B7QFidIX/bE4n9y0YslwRFP2/9QZ3wcAKP0QiVU3N7IrJ35cFz08WkTT
uYpY0Q9biFDbcVOAuxQY0LSeV1S9nSU1P5JyH+JCW1X1b6/DtArWTjKcKNNcafv1
rF2a4tEGSs8QLBk62lBF+qiqiY1x8gw4DBcPdwyTGZeQA4f/5fLUoLro4BqPVZh9
Q6i/jjYnMeB+CvUP9q9flR9hcO8w4H19shQ0jdw7q4ATqbe6+lOeEFLu03CgsZM+
UaZ7ZWjLijnPDlY2x4E1BAt8OyPWt5ew4WxTXqiOueNqZXcE+Y7G73seYtrEStBb
y6VJeZ7I1BinsLLkYCEJGacCAwEAAQ==
-----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 362952075630425657844774120435943078601186
 . . . . . . . . [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 2024-03-07 12:22:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-05 12:22:15 +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:12|false] UTF8String '*.rusgymnasium.at'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 765367398782010099702058705879338493556550554361328866970000865003648924540048277350255918760175900218282506458982584378935948173906011683191099388328165562089551105300322331559522954295240180382778319399680054098006594456182686427025348990323443030427480811413728553061031130210779373146462407691608142808712678570357398139283274888866215794155660938416068475121973688807779839289377815252290554926553909017213405871244617327334552355207348640628508267394230864204885636434158834100956867777109459254656722308301459760433338680824947567416341884537596841579626656663630121192750764747278225214910252305433474327162304031092954435141298616320608175246688468584246316990137678439225086493641918897010764855025717306510281242361114632230350218272099570112245695239577748783939279043994991422060495758232873432864734232759084512266046196825754720159344668752279843607651109280488128474581370793808102831226498059392991068740003680698505109911885750491388883640145522083114376532340581818379422590488622324419033886866645829027620989364162056859327417171307983082167580552617992325635976925182062746921851486211442437707239640158165644231912555690684483772360043159163921591606814821518065813936980237927017363045404390245407375823018407
 . . . . . . . . . . . . . . . . . . . . [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)
							21959f615514879db4401e838ce00af6dbadd056
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.rusgymnasium.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rusgymnasium.at'
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e19142cbd0000040300473045022005ecddcf7a5c37df48d57750d759e6d6ee04d976a6d67619d63b48a5ac6a4bf5022100864aa77c2223e8b8505ba51fafab22bdad1fd067ba99281b3cb7a64190711cf0007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e19142cc80000040300473045022100d6b41f2cda149d3a696feb5a8820011ea6c4e574f3c3d12d5bc086dcbe6e5e54022037042d6ff1cf461f2c89fd8bb9cd09fc380e723ecc0aff11636999e728ea0488
 . . . . [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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