flirtkontakt.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:77:06:5e:95:37:69:d9:4c:f8:f7:17:41:62:46:78:45:62 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=flirtkontakt.cz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:77:06:5e:95:37:69:d9:4c:f8:f7:17:41:62:46:78:45:62
Serial Number (int): 388951211860981414016481660345975249061218
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 23:af:ec:50:47:81:f9:8a:ea:5a:a3:74:e1:1c:50:7b:2b:3a:94:01
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 97:47:eb:31:c9:c2:67:02:03:3e:71:91:bc:1e:26:7f:04:14:83:36
Fingerprint (sha256): ac:e2:7f:97:20:f3:8c:f6:31:77:c9:c0:7c:46:a8:01:ef:28:0a:32:2b:1c:81:d7:45:a1:34:74:90:84:0e:cf

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 flirtkontakt.cz

2

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

flirtkontakt.cz
m.flirtkontakt.cz

Other certificates including the domain name flirtkontakt.cz

(limited to 100 certificates)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1jZOeeZGtTs6hyE+BrLs
8FUVZAPQF5uwH3g3LVOqYURQH3vI3uISZhNuVgnZjAbUJzheWaHDTlZPHix8NSMV
moYxGOyS82xa5voDcYPOnaa2NRYSw11Y/gK4Oy+VoJyhl7VXgTRTgtZfOpSl1pRI
CMToybzzHr4NhJl3/FP9R93m3rAjUFhxPzKNctfAJWeiMxfIKr/Ahl3T3DPq5VQh
B+N9vGRmrYqXHi+D4FzZXD3NPVU05iayc4YcRh/thVbB1nIcphK7pOj4Jt+e/SYl
1cwHrIrwoSyCddijCUE2VeU6KHwcycfbgG1iGKBZyM2sG4AJyKkDS7QG2FIb2ONN
KwIDAQAB
-----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 388951211860981414016481660345975249061218
 . . . . . . . . [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 2019-05-17 06:27:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-15 06:27:12 +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 27041776819415775756890552778567331099751119379515190276987896555241603727605662256267029760872030755216887308731507825355375880421605769323043366548663882844155799807268432396752623480050124529523675381642072685934383855230019984173128429439791190940705969710839619379937482621700954614274332700691009374556349468869334317656269109888556825828094335627700229083897923919323945096758079885504782585470674015329451120766485740783343293747920758028329776428728097668976112103304129254645554575390239615149334527810902156514550411930575345024985806614561449871019618859511926103160370252050088435347651831011556538404139
 . . . . . . . . . . . . . . . . . . . . [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)
							23afec504781f98aea5aa374e11c507b2b3a9401
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flirtkontakt.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.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 (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)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ac4b00b1a00000403004830460221008160d3fabfac6e4291a518632faabba9f9c04099ab05e3a39fb1d7991012701e022100fd874bbb4ec1eec00c1b08c9b7ae030f7b4f98a24c46445eecb9ab19d5b3f80d00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ac4b00ae0000004030047304502204b3e66f02f23b99ddcd16eead241dd4bd0b2f36c541aa31927fc8a0fa2c98684022100ecc68a87f16d8bf3d9886aac1db181823210c5b748cb54f555bb90bb29f26ca8
 . . . . [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)
		007beeaaa0770b642517ea47e447016e5de72524cb54b43bc6553ef4b18aa620c44408a0af2d458b27d55c841a4552140c8b2cb4c14fa6f59449ee6fc83d4bd366f773ae531e53cbca9f459750b36c18424d82336da4c6a10535e280cfcc3ad858092572fa48cf5ed00d07c08cf4aa0be83a7cb2912b08ad83d09dbaae6c3c873ac183e9cca5c0c33d8276386639a8e405c306d7815eaf2d9a7768a58005eb944a7d2924edd1b32f10e1847b6a90a548306a1a830c98554c00a423ad05ad4e1aad970016c512f9e8c7ea6997c475f50a6bdeb4d2653dd815ee1978ad32608264ce2927df062c1c9897af783f44a4131d67907a6856767f67968ebc683bdc4d34f9