flirtkontakt.cz

Issued by R3

About this certificate

This digital certificate with serial number 04:3b:96:a3:fa:ea:4b:b5:50:1c:f3:cc:dc:24:03:61:f7:a5 was issued on by Let's Encrypt.

With 3 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=flirtkontakt.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3b:96:a3:fa:ea:4b:b5:50:1c:f3:cc:dc:24:03:61:f7:a5
Serial Number (int): 368726039008297255999562528612214957537189
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 29:95:6a:c0:a7:64:21:33:e5:bd:a7:4e:59:f0:3b:35:46:72:e0:bc
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ec:b6:2a:3c:bc:91:c1:70:42:05:e9:6b:00:25:85:ae:00:96:d4:c7
Fingerprint (sha256): 32:4e:96:a2:c4:49:44:1a:80:e4:1a:d3:c2:eb:5e:51:af:6c:8e:2f:08:ed:99:b3:8b:9c:57:8e:07:f9:f1:2f

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

Revocation information

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

Check the revocation status for certificate flirtkontakt.cz

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flirtkontakt.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

*.beta.flirtkontakt.cz
*.flirtkontakt.cz
flirtkontakt.cz

Other certificates including the domain name flirtkontakt.cz

(limited to 100 certificates)
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
sni.cloudflaressl.com
flirtkontakt.cz
flirtkontakt.cz
beta.flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
beta.flirtkontakt.cz
geilkontakt.com
flirtkontakt.cz
beta.seznamte.se
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
beta.seznamte.se
flirtkontakt.cz
flirtkontakt.cz
m.beta.seznamte.se
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
m.flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
flirtkontakt.cz
beta.flirtkontakt.cz
beta.flirtkontakt.cz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0ctQQl7NqLt55tbKHeoO
208IOX3G2g+jgDTOKxwfL0PiX8Jt/OCGrzjuI+LjNVL7+nLWH8Dn7kHO5PObexD9
5M6qnSOnanwf3O8sSD7IOLa/FFzjo76+4zw75vG41kt1f6h4qw9PgUTinPEJb6vO
mGvvdv3MBgcVZZEnwR9J4gzsUUslKzM1DYqjSYf9IevtyCdkYeSaAe9a6syWnskg
3o4ItmPt//V7tym8KBBcVBAKFYhmRyihWyuHPwQP2joSZWGELKiAWhk7pwrCEP/F
nYxp669b0mpcnKeQBWjq0OSbJM4HPgTNTeEr9VPS0zkPqUP3pv0BhW2ToV9Gk382
JwIDAQAB
-----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 368726039008297255999562528612214957537189
 . . . . . . . . [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 2024-01-21 14:28:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-20 14:28:53 +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 'flirtkontakt.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 26484063367686842602141753437812061132164630107328622445641006830516476737419748726112556307762142261492983167490149614052265385117699314592525213639853678214124981497116746791373471908615755051920279106437564537078375431873040763986158581780382053992804345869631760462559997094241432743852064634121639193109480613063878804252424488202891966531436183361002896136151388684656901389402923059542235322445764514155019457554157520197135145606421302825911131912015542858385735411115818659868216008636043299044348906023114661665488829321043834530825884419789560610199874949880715308154262689443137519565674658089127850751527
 . . . . . . . . . . . . . . . . . . . . [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)
							29956ac0a7642133e5bda74e59f03b354672e0bc
 . . . . . . . . . . . . . . . . [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 (62 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.beta.flirtkontakt.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.flirtkontakt.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flirtkontakt.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)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d2ca395650000040300463044022032240645f38a225c302dab66c445c1c29872d1c0e1165365f2b1d1692555f9ea02200fa9f13c6bcd490329a73b479c0fd2f38a32bce5a13bb635e6b299e65e0328ae007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d2ca395670000040300473045022100f71699bb43eb97d40d41c10d78cbd6115b6304f41ec940bd7bcb17e2353679ee02200a186194239a806c9d8d753da78fe5147c371afc60b68b38825056c62333f1fa
 . . . . [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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