flirtkontakt.cz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:54:57:e4:d0:20:23:1a:ee:47:3d:15:b5:80:d2:59:35:6f 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:
  • 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): 04:54:57:e4:d0:20:23:1a:ee:47:3d:15:b5:80:d2:59:35:6f
Serial Number (int): 377149693449004214431717308619576867108207
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f5:76:d7:c4:e0:58:c3:09:2a:47:37:4e:1e:ca:bf:a8:21:7b:de:06
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e3:4c:fe:fc:d8:6e:81:a2:f5:81:bb:2f:f8:a1:09:80:17:7e:f0:d0
Fingerprint (sha256): 13:ca:06:24:c7:3b:7c:4b:e4:b3:9f:97:70:f5:12:5f:3c:31:3f:5c:5c:15:14:b8:b9:0e:2d:ff:f4:31:72:29

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

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)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsP+Wu48rzPb9BWAZF6aB
GIuiem7ChDT0NlBxT1xf12WTY+elyle+v1gChcg5TXE0AgcjRlhIBIV2y5cYT8rp
AEKNN1nNb/H54Q85CEVFmVE3D/2WdUfnq+kugotNfxkAWqLjQqvmjR/CWVulDSok
TLS95pndSK9lG4Sb5kLnKbuz6vZLatG1uO3uA4s1DowSB2GmvfD2nbBK8NZ/CuE1
OYGQih3zLhT16CntL7iBKA311zIXnLifzj31XOT6xMHsOqZZdOSNtmUPwP5s0dG2
YbBXvT9anWdogFWOWL0jVQJiBxTZWh3DJvgI5o1KtweTlOZbZDISUYvRorN0+ybL
uQIDAQAB
-----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 377149693449004214431717308619576867108207
 . . . . . . . . [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 09:03:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-10 09:03:51 +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 '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 22343977208432574596572262426830007217357673079433975638262785708546958498502209882905551674458160941328604633067054247532105314053695758250967562099025074337649185745274451218604886896811850979703949469711362539731672193017487188949387678404469731926519363481104075872999854825333476977810676289144034226928880628123956314053294410368860635310424931259869823280055544620155093191586465904951743262272148307400227742235934578713569684204395503425776548110941074469407979083963864332344238593637402475124599452424829276268213898377125810699578979340225175516512423339435072624737662060185421267739038010120007152225209
 . . . . . . . . . . . . . . . . . . . . [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)
							f576d7c4e058c3092a47374e1ecabfa8217bde06
 . . . . . . . . . . . . . . . . [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 (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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e5f11c9030000040300483046022100d829aa1bc0ff9755cb8e66da5338fbed56d184a0e9919d66b5d5adc8e7993edd022100b69a6aca0343f2d12e9497c507ac4c1297b4a5da0ea0d7097eebdd00759faf96007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e5f11c8fe00000403004630440220632e6ef0025cc89ed07e3afd6c7374b947fdc7bb7bb5260e835ef5ed52bd6c4302202e06483fabbdf36f4e58002a433491794636759ced990048bd8b3e93d6ab8777
 . . . . [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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