www.bpa-ostrava.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:61:c2:76:8b:9a:2d:64:f5:5b:19:6f:7c:29:4b:fd:b0:90 was issued on by Let's Encrypt.

With 4 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=www.bpa-ostrava.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:61:c2:76:8b:9a:2d:64:f5:5b:19:6f:7c:29:4b:fd:b0:90
Serial Number (int): 381715019072053719142909533842218002788496
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 27:7a:6b:af:a3:68:f2:f8:bf:93:80:17:77:cf:e0:5c:c2:f1:2a:ff
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ff:72:5c:ff:ed:d6:2b:f5:76:fd:93:f5:0b:ab:ea:26:ca:68:ec:a7
Fingerprint (sha256): 86:17:dd:32:80:83:81:cf:ee:39:aa:14:14:1e:ea:5a:01:c4:1c:bb:70:ff:31:87:71:5f:da:49:3c:12:c2:7c

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

Revocation information

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

Check the revocation status for certificate www.bpa-ostrava.cz

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.bpa-ostrava.cz

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

bpa-ostrava.cz
bpaostrava.cz
www.bpa-ostrava.cz
www.bpaostrava.cz

Other certificates including the domain name bpa-ostrava.cz

(limited to 100 certificates)
eknihovna.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
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eknihovna.bpa-ostrava.cz
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eknihovna.bpa-ostrava.cz
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eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
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eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
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eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
www.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz
eknihovna.bpa-ostrava.cz
eknihovna2.bpa-ostrava.cz

Certificate

The complete raw certificate details for www.bpa-ostrava.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0DBnaANWlKkuMKFtAO14
oBcUqulKv9PUFAFdhsYXVyOgdlU5oLAltnTyVFcWyFBq93aq88pTZCO50Rz4ty65
ovQeGw41Xjw0c+B9LE6U8xRdtMlI8ZhB/Z+1YSvdsaHtqHgPI1sF0zbY+mDDfs/D
sUmvKscuw9/2kGbbD1ZuQ6kjfzmzFiPf4BkEICTsANbtFRbd0sy1/xx1sOImVrFj
Q7zscFFZ2D4kUPhcKppANWHbMOP8gQ2F9actOCwYu+sDeSSjwbk7gBhVx+jzOofk
3DMw7fxP/5XZOym1qVDj/pIGJCF3Q55bxeYeVcc7FSXlsOVkMAaoMNjxTuqu9tYD
0QIDAQAB
-----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 381715019072053719142909533842218002788496
 . . . . . . . . [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 2023-06-28 22:59:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-26 22:59:27 +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 'www.bpa-ostrava.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26281436300853645928088025439609972363302441438314017649516505111575099577725185147449238812937734665222957214421619423931737611529673783085018022028859842253292091393284711512239545363965634885935789198869852592968914672046064677543559002499579312773353152494380366949776633252614534119533439420631053809600596304717005215482561569130048878695836754047805347306955085025060734170950519374837033342770285909799762876397768557084160542020901540240602437668838203477259729353819491866869388250523424632195671737081462805331819794729623813535323944193023962716226647024300406210599536656131777437264551413539471655044049
 . . . . . . . . . . . . . . . . . . . . [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)
							277a6bafa368f2f8bf93801777cfe05cc2f12aff
 . . . . . . . . . . . . . . . . [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 (72 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bpa-ostrava.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bpaostrava.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bpa-ostrava.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bpaostrava.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001890472a0610000040300483046022100b32b295420c7fa95743a027e569288dac48357ad683b3b75ad15cd94dc00cfb0022100f32a6e7fc09be553a659e968a13e54f8412e14f76e9a360107812f4f1399bd63007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001890472a05e0000040300473045022100fee74eb573686ae06794b672c6fad0912ce0f9ae6cb60ec9c598d1f34ac3e42102207286fd5867fd9dbef796e2b276fde99687a18e9b5a0b77533e73dc1f0332af7e
 . . . . [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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