skola-agc.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:4c:c9:a8:70:4e:47:1f:81:a2:80:e4:e9:25:12:92:ec:f3 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=skola-agc.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:4c:c9:a8:70:4e:47:1f:81:a2:80:e4:e9:25:12:92:ec:f3
Serial Number (int): 287466367092128748914263793017486635625715
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1f:32:fa:f4:5d:b0:61:62:21:8e:dc:b7:91:90:cf:07:84:0b:39:7c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 35:14:25:8f:09:84:d7:47:44:30:ec:e8:1b:ad:f9:45:ce:b0:f5:80
Fingerprint (sha256): 42:0f:25:18:35:b3:75:8e:43:b4:31:17:4f:60:1c:38:cc:29:42:77:fc:08:66:0d:b9:99:6d:f1:22:59:55:ee

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

Revocation information

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

Check the revocation status for certificate skola-agc.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for skola-agc.cz

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

skola-agc.cz
www.skola-agc.cz

Other certificates including the domain name skola-agc.cz

(limited to 100 certificates)
bakaweb.skola-agc.cz
skola-agc.cz
webin.skola-agc.cz
skola-agc.cz
bakaweb.skola-agc.cz
skola-agc.cz

Certificate

The complete raw certificate details for skola-agc.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 287466367092128748914263793017486635625715
 . . . . . . . . [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 2024-03-22 01:34:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-20 01:34:56 +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 'skola-agc.cz'
 . . . . . . . . [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 647892819935967114886986289734309426857188876049888470456526519684680797238367244254358529046607451091132556343564515636122402136710513802188563841173311265845312336885291557819511549071875436370260442515570653005819153855003480473852907655709845719375677969941627155430449388670804676540273991013420814871499146329501472619535626369966581050718448845910894351353405778463964809265659734212904237869791098770663189707251627399574834820320390672163991788275144246878618502432620622613970119220665986677781624197549423988161394901561917001497278763031786198254227719680670409996785585450609316808451954701143867233649100624657547685288405298849759638157178080539075770629291398211833693635243235612321497022921108993414969485884303436454261453983060053370561160762452436442153761676868151592985282527873006945288785633426113913013480571075934348558753586321734058783410965013096120834630408412208090681502750601632408354223847045698575420874387875444998776624951182287012504697590892152453574431941054882574246136619133799324633050967527591950608302247745459225911395483436659984469185650409635502936555683342107167789856099445045461672870678486265734894620095686045901680501817440744414232894695719449061535865715462857398853119740603
 . . . . . . . . . . . . . . . . . . . . [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)
							1f32faf45db06162218edcb79190cf07840b397c
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'skola-agc.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.skola-agc.cz'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e6402ed8f000004030046304402207c30573b5102ab7b1fd7c7e382a3816bf91a3841bec92f35463a24dea8989fdf022014518dc130c49d38ea4b5d2475d3643abfa8d509cc61947316a3b57de09d430900760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e6402edd80000040300473045022042f468e0745ef130ead2e59acce743795c6bbac5ede032a2210da5925d36d069022100ebae31d22892ddfd849edafc41eea777239fec291b630b9e2307ce4a73a13c60
 . . . . [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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