DV SSL/TLS Certificate for test.mcprofi.cz

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the test.mcprofi.cz DV SSL/TLS Certificate

This certificate with serial number 06:a8:a2:bc:1f:77:45:27:e4:3b:65:82:4c:b6:48:8d:23:a7 for test.mcprofi.cz was issued on by Let's Encrypt.

With 3 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for test.mcprofi.cz provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:a8:a2:bc:1f:77:45:27:e4:3b:65:82:4c:b6:48:8d:23:a7
Serial Number (int): 580057464958609954404574019124803245253543
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: a4:65:9c:a3:10:91:0e:cd:ab:a9:89:72:73:f6:a7:98:62:4d:a1:35
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 9b:bc:a6:76:53:4f:47:08:c2:11:20:78:06:2a:a1:d5:52:27:86:b4
Fingerprint (SHA-256): 42:3e:93:9b:c5:f0:7f:98:c8:e1:a2:84:c5:11:17:97:bc:a9:2c:ff:7f:89:86:ff:92:ed:b2:df:90:40:48:be

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/40.crl

Check the revocation status for certificate test.mcprofi.cz
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for test.mcprofi.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for test.mcprofi.cz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyH7APbcrzpf46ffjNPvA
vVwsWbNzJijQRdie6Uj5QLM1XGvoMWlC9mqyVkXJmWGIHj81yxGeuPZA+HlHggjl
dJKCzUCNG66sENQsd+HQjiSySRF5wloSST18+BhWjeOH+EeemUYgSKEXmXdlf4DO
hJQcPQwcqjzPKq58Nl52lFCd+Xzvc7HfEIYYGcC9Jtqj8brlMP0T7FtQe8Q0VzTg
2zTwteTmQayKFfVSjBt0LnBZHP7akDP/AYqZgIcaZF8kFdd1Xf6v6cqYVat60nIP
Ob2lOAYbSMglC7KIKCIoFmCz0Nw++s2Ri6SRiPSlfCmnvh+lvi82snAN0QTf70fA
SwIDAQAB
-----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 580057464958609954404574019124803245253543
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-05 19:40:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-03 19:40:33 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'test.mcprofi.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
 . . . . . . . . . . . . . . . . [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 25310164212092827777305760392725609776702761334315496567095677968692252034704415136955738613153673236794180752417788306578862282951272890769534923472707412585884900895672635323778459841513708801890851009261046050966810364704273002787893002768322738686545159345522275245834783113794246097119931107518888892356174309418422411055286716965300160268956720279711020607996447989089068776739904896198997897039169098755799006008134679081248502960817875597776503949902377150825520763066650975459299535580377616726809004583982122273939396586869922977409823769013019818623404848199964795601030005514593634996136884275750795460683
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							a4659ca310910ecdaba9897273f6a798624da135
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (47 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mcprofi.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'test.mcprofi.cz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mcprofi.cz'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/40.crl'
 . . . . . . . . . . . . . . . . [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)
							00f000750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019741d1994f00000403004630440220607dbccd523f8954da68e4c0826afe2fc34a4c9326de38916cb80210acfc6dba02202c86c2ee5daab8a1c9e4e70a241eeef8192106181690f9b089b1650405460538007700a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a84540000019741d1a11400000403004830460221008a1af7dae5445cc1023e8b89895d215cf5ed2094993a185466889eea2dfdb3c7022100f77fd0301e8abe729a9bbde967fa9394370b6c7ca12de787678d3efc40b98122
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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