www.sprinx.cz

Issued by R3

About this certificate

This digital certificate with serial number 03:f7:9d:b1:18:b3:74:07:01:6c:c2:d1:07:45:f4:84:b4:ff 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=www.sprinx.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f7:9d:b1:18:b3:74:07:01:6c:c2:d1:07:45:f4:84:b4:ff
Serial Number (int): 345596210757630313179903446936254520014079
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ba:b5:c4:b8:f0:a8:0e:c2:d5:dc:09:98:09:0f:0d:71:3c:a4:36:ef
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 48:b7:00:73:fa:27:a7:d7:98:ae:f5:d2:12:5c:c8:fc:93:d1:7d:77
Fingerprint (sha256): a1:cf:f4:80:14:c6:2d:13:5e:7b:fb:55:5e:b9:86:5f:e2:97:8e:5c:d4:e1:67:5d:08:c6:06:cf:d7:91:35:91

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

Revocation information

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

Check the revocation status for certificate www.sprinx.cz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.sprinx.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

sprinx.cz
www.sprinx.cz

Other certificates including the domain name sprinx.cz

(limited to 100 certificates)
benefitplus.sprinx.cz
inside.benefit-plus.eu
benefit-plus.cz
benefitplus.sprinx.cz
candidate.sprinx.cz
candidate.sprinx.cz
benefit-plus.eu
benefitplus.sprinx.cz
benefit-plus.cz
www.sprinx.cz
benefit-plus.eu
candidate.sprinx.cz
benefit-plus.cz
benefitplus.sprinx.cz
benefitplus.sprinx.cz
benefitv4.sprinx.cz
benefit-plus.cz
www.sprinx.cz
benefitplus.sprinx.cz
benefit-plus.cz
candidate.sprinx.cz
benefit-plus.eu
benefitplus.sprinx.cz
benefit-plus.cz
www.proexportplus.com
benefitplus.sprinx.cz
candidate.sprinx.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvaznICQTJhpxTLmIRhWe
iNShcxJ+s4zpkXcWU/LAZAExCR6jiGqMkChg4cu26Stenytnr8F3MD9pOD34DQFj
GQDGKMoGSwzF35yuk2Ni9V7hGO45tpeyZvfeqevaOGIzkL2RWFURFy8rGRIfBUaV
Tg41i+IAofx74iEhN5gtZwJMjqEzJhLkvPGUsac6U0hlcnvR8QhtvlEz6TXJZA/C
QlmGXnU+RfIzOphActZ3hCYJyfZNY/qSQm51GbKKFpoU3XqUxcHOdkuazyObcGr0
R0x+9QqhsdrRezSdvg2Hsdaf+IAtUMoCcWI1iR+a2+zfG1Ex5wm9s1F8PyAkLqsg
nQIDAQAB
-----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 345596210757630313179903446936254520014079
 . . . . . . . . [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 2024-01-08 10:11:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-07 10:11:20 +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.sprinx.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 23944301203862020967747351387346338070264323009081400093696916821826086939788385908206840052070096941581955007917625038742167560471457611792508386030374987782793132297548313559372307082725733893563740564411892533492296978157772475646559327607161571985808420668527008236211006476123422693076394313471140915399195548371222104566762211920638931239810424834917789408339526455613977824073327114071309978061376784674236608803107745917570414327792196352466750790190885632524120039606068325770975345142292214404495328536242087621611110778815788066970217890155010873413697248837958122863967198245124784759665835886907191140509
 . . . . . . . . . . . . . . . . . . . . [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)
							bab5c4b8f0a80ec2d5dc0998090f0d713ca436ef
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sprinx.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sprinx.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ce8c51e5d0000040300483046022100ee052d48b5b4df36633a744b5ab09f49a68915d4b6e96fcd92105b15a67c90f2022100a4068430b45d981a4d7f051e8ddd8fb1536cba1ce17986850d9bcecec98da4dd007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018ce8c51e600000040300483046022100eaee18df65f244fb3f3b9c7632694840d80831731a9e415cbd5fd9df4cf75c9a022100eba5a36aa870c11594148c7edc8bd84dc97f6924965ede209d8d2f053362b782
 . . . . [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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