projektyporsenna.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:70:d7:2d:a4:20:15:1e:45:3f:2a:f2:72:62:c3:7e:3d:6d 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=projektyporsenna.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:70:d7:2d:a4:20:15:1e:45:3f:2a:f2:72:62:c3:7e:3d:6d
Serial Number (int): 299734503891735250807007028802223884615021
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1b:1d:2a:d2:54:03:16:32:09:c8:98:2b:5a:14:78:a1:d8:fe:02:45
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 40:e7:26:1b:d3:ce:4d:05:dc:59:86:ad:19:29:1b:f4:39:f6:73:58
Fingerprint (sha256): 29:46:90:70:05:a0:89:47:9a:7c:7b:a9:7c:c8:fd:34:74:f1:bd:81:ce:41:c9:b5:53:f6:6f:df:68:a7:23:b6

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 projektyporsenna.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for projektyporsenna.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

projektyporsenna.cz
www.projektyporsenna.cz

Other certificates including the domain name projektyporsenna.cz

(limited to 100 certificates)
www.projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
www.projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
projektyporsenna.cz
www.projektyporsenna.cz
projektyporsenna.cz

Certificate

The complete raw certificate details for projektyporsenna.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApGO8x/Ehx+4nhdvHD5lk
2KeQT+XYAQuO96X26xpHAAcy6XhlTZFRUF/F/eg38jw/9y267tYFUhS6AWCc0zlB
TuMZA/fYk7+gqrg2NM7PKR41H9NGfcnNn2SwhNcnSZLC/J+Y1IjjOEUoFsKiv/B9
gmIIYwZL5qUuJjhazk4CeGD/o25GQsTplBl1flC+LOlpNGbbzJ8rzt4NLvLKUjpt
toLogRcFhduJrEwQLNy4rAyQsj1unUpMSF9/B4CCtBc4hPc8d1VS9UsPRh+30P9l
kgHzbIDLJ1k5qGcyXopNnscKnZdcvneyt7Dso76x7SjV36vI8S/znbaN63w0qKv5
CwIDAQAB
-----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 299734503891735250807007028802223884615021
 . . . . . . . . [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 2020-04-02 02:56:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-01 02:56:51 +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 'projektyporsenna.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 20752264372182480166808471482541170834221461949485134570590278342479157028222292557369260199158908988944257876484528652192953587381416368992843746813882233658153126704858149959075948374488701219882059843044152181649247832838243030002392459212866879746459313261622192010627963155691386316412384391761462631303718482468376929358818552981883580331306205319276034300634468510838089686673492050964835683536491587415496427265032525520637252410944854255603701093757768290738084738201108184128047920366153654808491348510255691281384134907125219111304840582653737774445378693947582638963698506483402560800916715280395001395467
 . . . . . . . . . . . . . . . . . . . . [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)
							1b1d2ad25403163209c8982b5a1478a1d8fe0245
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'projektyporsenna.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.projektyporsenna.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001713908d205000004030047304502203a4fdcfd5ef062b8291be2abbf62f38f2502801286a36435cd89abf32ef6257d022100bcbff51c2d4a323fdaeef8b40c2a436044cbcd0fa628c787bf301e510f95b48800770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001713908d23e0000040300483046022100d5a4e83c2614857607a81db3632f83f491f5ae42f5eabb02d343093e63169bd30221008cca10849d1b7d0fa40f2e666bbdbddb895c71b3969fa5bbd4c1b1c264021fd1
 . . . . [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)
		000407246287d440376e75059eb8b4f205fb24fdf8d0a2d9be68289f7f1371c4af1b25337de44fb1ccfd60b0e22702229001e050840a98257a8ac6b003cbf4a2156a72feb431890f0ca1d34bd225858eaf72a0ee51e9f2a2e3d692352d2130eb031be03be9c846433b9034a256fb1e135e0c435d24f75e6a241476d3f933c769f206c763c76f846008ed8747379b86fc55a7c855f224eceabd24364dc11254f8e0bbc14511bb37652048c6dc7f4eeecb9bd454d5abc51bc00cac4ea89e60659b5d2f98d272638abff8759cfad5a04598dcafa1fa2cd45fd638290418043926bdf5a782149669068b609ad4fd2730f4e91377a1c02480158996da2a8e555814e3a6