www.bpa-ostrava.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:b8:63:92:34:2d:5b:70:f6:12:6e:9c:c7:80:2b:92:d4:00 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:b8:63:92:34:2d:5b:70:f6:12:6e:9c:c7:80:2b:92:d4:00
Serial Number (int): 411193451945696583020664231249749220709376
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 38:f8:2f:b1:f5:0e:77:2d:dd:f1:44:a0:f1:4e:7d:3f:7e:74:ae:33
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 87:ae:bb:4c:17:ee:7f:c7:0e:78:9a:03:9f:9b:f2:4d:af:4d:64:e1
Fingerprint (sha256): 91:81:a9:f0:bc:21:12:87:ee:68:e8:f5:8b:7d:d3:29:09:74:49:09:44:90:55:0e:c3:9c:34:3c:da:89:c5:c6

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 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)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvEKk5J2gDhmIyTQhcOTk
RXaTwYaM3qSooM39iB7iAFYPIMMm3lw1bZNCtTYk+JdunIA6cWvAR4fZmPzZiTAX
sHjxInkfXQVl00Ah43FIdKDIXFdQfZGvN52iZBh2joOU69+nG0qQ4TEZeulXUeDe
mE8XbT9EWFKUB1L0uArEDAlyo+EvN6GRCqI76tcC33ITqysLZvJxUqI1gk/IT7YW
EFa0ZukExjJ3ArFGugunCg+imo2jf/G6Cg6ujsi4yLtHWP8HcU7UmQAyolVjqYtX
ZxdTs8LDkFD91YDf3b0s5tUjxhkJPxyvRHQ42HkDoTuiH2N76lpoMdHiiXOAZpto
1QIDAQAB
-----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 411193451945696583020664231249749220709376
 . . . . . . . . [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 2019-11-12 23:28:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-10 23:28:00 +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 23765664770773194157510309664663982815709282926778726893500188901455822969144269184498051207155067963212813995696499591457927930689175216949548969204083044513903544822855236268709468162902475936593786935700597967400101239776334888972052623885807691786181005815599641652362769630960972764211025170663044113643010007739694875660265586762876450381634451096765572049154867570154667128504035830426225135177171358926124747380571833561141700517906487229832462149425388463425736586045964763355862136070344459981251253087737332508637242578290198719566166103562746558792602084748571196275757753769531040667786596884192780052693
 . . . . . . . . . . . . . . . . . . . . [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)
							38f82fb1f50e772dddf144a0f14e7d3f7e74ae33
 . . . . . . . . . . . . . . . . [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 (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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e6228f0e2000004030047304502205aeafa86e213a78b5dcc95e84c7ff36d2beead3c3868a2ea97b369befb4e6aab022100c328a9869d0860a78a257dd6f310ec48f8c34f0a963bfaaa8c24d3a4ca25ba8b0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e6228f18b0000040300463044022037986d009cbeacc4edbc49108abe2d7a6932972dcd636973e6402c5bc406733202207ea28b8ce0e9ac75153f4ed306f03e31c389d89a413d651e14f5a21d497ca385
 . . . . [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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